2-letter words

us

3-letter words

bus, jus, mus, nus, pus

4-letter words

amus, anus, crus, ecus, emus, feus, flus, gnus, nous, onus, opus, plus, rhus, sous, taus, thus, ulus, urus, vaus

5-letter words

ankus, arcus, argus, ascus, babus, beaus, bogus, bolus, bonus, casus, conus, ecrus, emeus, favus, fetus, ficus, focus, fucus, fugus, genus, gurus, gyrus, habus, hilus, hocus, humus, ictus, iglus, ileus, incus, jehus, jujus, kagus, kudus, kurus, lieus, locus, lotus, luaus, lulus, lupus, magus, manus, menus, meous, minus, modus, momus, mucus, mumus, negus, nevus, nexus, nidus, nisus, nodus, pilus, pious, praus, ramus, rebus, risus, rubus, sinus, situs, solus, sorus, sulus, tabus, talus, taxus, thous, tofus, tolus, tonus, torus, tutus, unaus, uncus, vagus, varus, vatus, virus, wamus, xerus, zebus

6-letter words

abacus, acarus, acinus, adieus, aeneus, airbus, animus, aureus, aurous, awmous, bayous, bijous, byssus, cactus, callus, campus, cantus, carpus, caucus, census, cercus, cereus, cerous, cestus, chiaus, chorus, circus, cirrus, cistus, citrus, clavus, clonus, coccus, coitus, coleus, comous, cornus, corpus, coypus, crocus, cultus, cymous, cyprus, dingus, discus, estrus, exodus, famous, fichus, flatus, foetus, fondus, fucous, fundus, fungus, gallus, genius, glomus, gradus, hiatus, hummus, iambus, iodous, joyous, kudzus, lapsus, limbus, litmus, lupous, meatus, medius, miaous, missus, mucous, naevus, nimbus, nodous, obelus, obolus, odious, osmous, palpus, pappus, pareus, parous, passus, peplus, perdus, pignus, pilaus, pileus, pilous, plexus, poilus, porous, poyous, prahus, primus, quipus, radius, ramous, rectus, regius, rhesus, rictus, rimous, ruckus, rufous, rugous, rumpus, sadhus, sajous, serous, setous, shamus, shoyus, snafus, soleus, status, stylus, sulcus, tarsus, thymus, tophus, torous, tragus, typhus, uraeus, uterus, uveous, valgus, venous, versus, vertus, villus, vinous, virtus, viscus, vulgus, walrus, wammus, wampus, xystus

7-letter words

acajous, acerous, acetous, acinous, aculeus, adipous, aeneous, agamous, alumnus, amadous, amorous, angelus, annulus, anurous, anxious, apercus, apodous, aqueous, arbutus, arduous, arenous, autobus, azygous, bejesus, bilious, boletus, boubous, brumous, bulbous, bullous, bureaus, burnous, cachous, caestus, calamus, callous, canthus, carious, carolus, caseous, chylous, chymous, cirrous, citrous, clypeus, coccous, colobus, colonus, conatus, congius, congous, copious, cormous, coypous, cumulus, cuprous, curious, defocus, devious, dubious, duteous, echinus, embolus, emulous, envious, ephebus, estrous, euripus, famulus, fatuous, ferrous, fibrous, floccus, folious, fractus, fulvous, fumulus, fungous, furious, gallous, gaseous, gibbous, globous, gluteus, grampus, grugrus, grumous, gummous, habitus, halitus, hamulus, heinous, hideous, hugeous, humerus, hydrous, icterus, igneous, impetus, impious, incubus, isthmus, jabirus, jacobus, jealous, landaus, leprous, limulus, loculus, luteous, malleus, manitus, milieus, minibus, modulus, muumuus, nervous, nilgaus, nimious, niobous, nitrous, niveous, nocuous, nonplus, noxious, nucleus, obvious, ocellus, ochrous, octopus, odorous, oestrus, ominous, omnibus, onerous, ormolus, osmious, osseous, ozonous, pappous, papyrus, parlous, pelorus, petasus, petrous, phallus, phoebus, piceous, pileous, piteous, pluteus, polypus, pompous, priapus, proteus, pulpous, pylorus, quietus, quippus, railbus, raucous, refocus, regulus, reseaus, rhamnus, rhombus, ricinus, riotous, rubious, ruinous, saddhus, samshus, sanious, sarcous, sardius, scyphus, serious, silenus, simious, sinuous, solidus, spinous, spumous, stratus, surplus, talcous, tedious, teledus, tenuous, tetanus, thallus, thyrsus, timeous, trismus, troilus, tumulus, typhous, uncinus, uranous, urinous, vacuous, various, vicious, villous, viscous, vomitus, zealous, zincous

8-letter words

abomasus, acanthus, acarpous, acaulous, aduncous, afflatus, alveolus, amiantus, amplexus, anestrus, anginous, angulous, anserous, aphthous, apiculus, apterous, araceous, arborous, arquebus, arsenous, arsonous, asbestus, astomous, babassus, bacchius, bacillus, bandeaus, bebeerus, bibulous, bigamous, bijugous, bimanous, biparous, biramous, bronchus, bunrakus, butyrous, caduceus, caducous, calathus, calculus, canorous, captious, caribous, catechus, cautious, cernuous, chapeaus, chateaus, chiasmus, chlorous, choragus, choregus, chromous, citreous, coenurus, colossus, corneous, covetous, crankous, cribrous, croupous, cumbrous, cumulous, cupreous, dactylus, decorous, denarius, desirous, detritus, dextrous, dianthus, didymous, diecious, diestrus, digamous, dimerous, dioicous, dizygous, dolorous, edacious, elenchus, elytrous, emeritus, enginous, enormous, entellus, eohippus, epigeous, epigonus, eremurus, euonymus, eurokous, evonymus, excursus, exiguous, eximious, fabulous, factious, fashious, fastuous, ferreous, feverous, flexuous, frabjous, fremitus, generous, glabrous, glaucous, glorious, goitrous, gorgeous, gracious, grievous, griseous, gypseous, hamulous, hibiscus, humorous, ichorous, idoneous, imporous, inconnus, infamous, jujitsus, jujutsus, lacteous, laminous, lapillus, lecythus, lekythus, libelous, ligneous, luminous, mammatus, mandamus, manitous, manteaus, marabous, marasmus, melanous, meniscus, microbus, misfocus, mittimus, modiolus, motorbus, mucinous, muticous, mutinous, nacreous, nauplius, nautilus, nebulous, nilghaus, nodulous, nubilous, nucellus, numerous, numinous, nylghaus, ocherous, ochreous, oestrous, oogamous, orgulous, overplus, pandanus, parvenus, patulous, perilous, pervious, petalous, plateaus, platypus, plumbous, pluvious, poaceous, polypous, populous, poxvirus, precious, prefocus, previous, provirus, pruritus, pulvinus, purlieus, pyritous, racemous, ramulous, ravenous, reovirus, resinous, rhizopus, rhonchus, rigorous, rosinous, rouleaus, ructious, sabulous, sacculus, sapajous, saporous, savorous, scabious, scabrous, scalenus, scarious, scirrhus, sclerous, sedulous, selenous, senarius, sensuous, sepalous, seppukus, setulous, shiatsus, shiatzus, sombrous, sonorous, spacious, specious, spermous, sphygmus, splenius, spurious, squamous, stannous, stimulus, stratous, strumous, studious, suberous, subgenus, succubus, syllabus, tableaus, tamandus, tamaraus, tantalus, tenesmus, terminus, thalamus, thallous, thrombus, timaraus, timorous, tinamous, tinnitus, titanous, tonneaus, tortious, tortuous, trappous, tuberous, tubulous, tumorous, tumulous, turacous, ulcerous, unctuous, unfamous, uxorious, valorous, vanadous, vaporous, venomous, venulous, vigorous, viperous, virtuous, vitellus, vitreous, volvulus, vomitous, wamefous, wondrous, xanthous

9-letter words

aboideaus, aboiteaus, acervulus, acidulous, ailanthus, aluminous, ambiguous, ambitious, amorphous, amphioxus, analogous, anestrous, anhydrous, anilingus, anomalous, anonymous, antivirus, apetalous, apogamous, apparatus, arboreous, arbovirus, arsenious, asparagus, assiduous, atrocious, audacious, barbarous, beauteous, biogenous, bodacious, bonhomous, botulinus, bounteous, bumptious, calcaneus, calculous, calyculus, cancerous, cankerous, capacious, carcajous, cavernous, ceanothus, cetaceous, chancrous, chitinous, cinereous, clamorous, cobaltous, conceptus, congruous, conscious, consensus, cothurnus, coumarous, courteous, crapulous, credulous, cretinous, criminous, cutaneous, dangerous, deciduous, delicious, delirious, dentulous, dexterous, diclinous, diestrous, dioecious, dipterous, dissensus, echovirus, edematous, egregious, epigonous, epigynous, eponymous, erogenous, erroneous, esophagus, exogamous, exogenous, facetious, felonious, ferocious, fistulous, flambeaus, flocculus, fractious, frivolous, froufrous, fructuous, fugacious, fulgurous, funiculus, garrulous, gladiolus, glamorous, glutenous, glutinous, gummatous, harquebus, hazardous, hilarious, humongous, humungous, hypogeous, ignoramus, imperious, impetuous, incurious, ingenious, ingenuous, injurious, innocuous, insidious, invidious, isogamous, jiujitsus, jiujutsus, judicious, kabeljous, kinkajous, laborious, larcenous, lecherous, lemniscus, libellous, lichenous, literatus, litigious, longevous, lubricous, ludicrous, luxurious, malarious, malicious, malleolus, manganous, marvelous, meandrous, melodious, mercurous, metestrus, micaceous, momentous, monecious, monstrous, mundungus, murderous, murmurous, myoclonus, myomatous, myxovirus, narcissus, nectarous, nefarious, noncampus, nonporous, notorious, nucleolus, nunchakus, nystagmus, oblivious, obnoxious, officious, overfocus, oviparous, palladous, pemphigus, pendulous, penurious, peripatus, pirarucus, plenteous, poisonous, pomaceous, ponderous, priedieus, proestrus, pulvillus, pumiceous, querulous, rancorous, rapacious, rapturous, redivivus, religious, retiarius, righteous, rivalrous, rosaceous, rotavirus, sagacious, salacious, saleratus, saphenous, sartorius, scirrhous, sebaceous, seditious, sericeous, setaceous, sextarius, siliceous, silicious, slumbrous, sorcerous, sphagnous, spiritous, strenuous, strobilus, stuporous, sulfurous, sumptuous, tenacious, tendinous, tenebrous, thesaurus, tiramisus, torturous, trapezius, tremulous, trimerous, trochilus, troublous, tufaceous, tyrannous, umbilicus, unanimous, uncurious, unenvious, unserious, untimeous, utriculus, vagarious, venturous, veracious, verdurous, verminous, vexatious, vicarious, vinaceous, vivacious, voracious, vulturous, williwaus

10-letter words

abstemious, acephalous, adenovirus, adulterous, agapanthus, alacritous, albuminous, alliaceous, allogamous, allosaurus, amphibious, anadromous, anasarcous, anatropous, anilinctus, antonymous, aposporous, aquiferous, arenaceous, armigerous, auriferous, autoecious, autogamous, autogenous, autologous, autonomous, autotomous, avaricious, battailous, bituminous, boisterous, cadaverous, calamitous, calcareous, caliginous, calumnious, cancellous, capricious, censorious, ceruminous, chivalrous, circuitous, clangorous, coetaneous, commodious, coniferous, conspectus, contagious, contiguous, continuous, coriaceous, coryphaeus, courageous, curvaceous, curvacious, decapodous, deltoideus, despiteous, diadromous, diaphanous, dimorphous, diplodocus, disastrous, dispiteous, distichous, drupaceous, eczematous, edentulous, endogamous, endogenous, epiphanous, ericaceous, eucalyptus, euphonious, extraneous, factitious, fallacious, fasciculus, fastidious, felicitous, fictitious, flagitious, foliaceous, foraminous, fortuitous, fuliginous, gangrenous, gelatinous, glamourous, glomerulus, gluttonous, gonococcus, gramineous, gratuitous, gregarious, gynandrous, halogenous, harmonious, hellacious, hemizygous, herbaceous, homogamous, homogenous, homologous, homonymous, homozygous, homunculus, horrendous, hypogynous, idolatrous, impervious, impromptus, incautious, incestuous, indecorous, indigenous, infectious, inglorious, iniquitous, innumerous, keratinous, languorous, lanuginous, lascivious, leguminous, lentivirus, libidinous, licentious, lipomatous, loquacious, lubricious, luciferous, lugubrious, malodorous, marvellous, membranous, mendacious, metacarpus, metatarsus, meticulous, migrainous, miraculous, monestrous, monoecious, monogamous, monogynous, monotonous, mysterious, myxomatous, nidicolous, nidifugous, nonaqueous, nonferrous, nongaseous, nonobvious, nonserious, nonviscous, nutritious, obsequious, oesophagus, oleaginous, olivaceous, omnivorous, outrageous, paronymous, parvovirus, pediculous, pellagrous, perfidious, perigynous, perjurious, pernicious, phosphorus, plunderous, poliovirus, polyanthus, polygamous, polygynous, polysemous, portentous, posthumous, precarious, precocious, predaceous, predacious, prodigious, pronucleus, propitious, propositus, prospectus, prosperous, prothallus, pugnacious, rampageous, ranunculus, rebellious, rendezvous, retrovirus, rhinovirus, ridiculous, roisterous, salubrious, saxicolous, scandalous, scarabaeus, scrofulous, scrupulous, scurrilous, sequacious, serotinous, sinistrous, slanderous, slumberous, solicitous, spirituous, splendrous, stertorous, strabismus, stridulous, struthious, stupendous, subaqueous, sulphurous, syncarpous, synonymous, tendrilous, tenebrious, testaceous, theonomous, thunderous, traitorous, treasonous, tremendous, trichinous, trolleybus, tuffaceous, tumultuous, ubiquitous, umbrageous, ungenerous, ungracious, unhumorous, uproarious, vaginismus, victorious, villainous, violaceous, viraginous, viviparous, vociferous, voluminous, voluptuous, zoophilous