Some of these are words that end with oe and are made plural by adding S (canoe - canoes, aloe - aloes, shoe - shoes). Many of the others that end in O make acceptable plurals either with S or ES.
Plural words ending with oes:
albedoes. alnicoes. aloes. antiheroes. archipelagoes. avocadoes. backhoes. banjoes. barbascoes. barricadoes. bastinadoes. beefaloes. bilboes. bimboes. bongoes. bonitoes. bravadoes. bravoes. buboes. buckoes. buffaloes. buncoes. bunkoes. calicoes. calypsoes. camisadoes. canoes. carbonadoes. cargoes. cataloes. cattaloes. chegoes. chigoes. ciscoes. claroes. commandoes. condoes. congoes. corantoes. courantoes. cramboes. crescendoes. crusadoes. cruzadoes. dadoes. dagoes. desperadoes. didoes. dildoes. dingoes. diploes. dodoes. does. dominoes. echoes. eddoes. embargoes. enhaloes. eringoes. eryngoes. euphroes. fantasticoes. farragoes. fatsoes. felloes. fiascoes. ficoes. flamingoes. floes. foes. fordoes. foredoes. foregoes. forgoes. frescoes. fricandoes. froes. fungoes. gambadoes. gazaboes. gazeboes. geckoes. gessoes. gheraoes. ghettoes. gingkoes. ginkgoes. goboes. goes. grottoes. guacharoes. gumshoes. gustoes. halloes. haloes. hammertoes. helloes. heroes. hilloes. hoboes. hoes. holloes. hoopoes. horseshoes. hulloes. imagoes. indigoes. innuendoes. jingkoes. jingoes. joes. juncoes. kalanchoes. kayoes. kiddoes. lassoes. latigoes. lavaboes. lingoes. locoes. magnificoes. mahoes. mamboes. mangoes. manifestoes. mementoes. mestesoes. mestinoes. mestizoes. misdoes. mistletoes. mojoes. momentoes. mongoes. mosquitoes. mottoes. mulattoes. noes. nonheroes. oboes. oes. outdoes. outechoes. outgoes. overdoes. overshoes. pahoehoes. palmettoes. passadoes. peccadilloes. pekoes. pettitoes. pingoes. pinkoes. pintadoes. pintoes. placeboes. politicoes. porticoes. potatoes. pronunciamentoes. provisoes. pussytoes. redoes. reechoes. renegadoes. reshoes. roes. roscoes. salvoes. sandshoes. schmoes. semihoboes. serpigoes. shackoes. shakoes. shmoes. shoes. sloes. snowshoes. stilettoes. strappadoes. stratovolcanoes. stuccoes. subechoes. supercargoes. superheroes. syboes. throes. ticktacktoes. tippytoes. tiptoes. tobaccoes. toes. toes. hoes. tomatoes. tornadoes. torpedoes. tuckahoes. tuxedoes. underdoes. undergoes. undoes. uphroes. vertigoes. vetoes. viragoes. voes. volcanoes. wackoes. waldoes. weirdoes. wendigoes. windigoes. winoes. woes. yobboes. zeroes.
These words end in O and make the plural by adding ES. buffalo buffaloes domino dominoes echo echoes embargo embargoes hero heroes mosquito mosquitoes potato potatoes tomato tomatoes torpedo torpedoes veto vetoes
All musical words that end in O add an S to form the plural (altos, solos, pianos).
The plural noun is oboes - but you have only added an S to oboe, which does not end with an O.All musical terms that end in O are made plural by adding an S. (solo, solos)
goes does those close toes loes
The plural of silo is silos.
Potato - potatoes Tomato - tomatoes Tomatatillo - tomatilloes
es, like echo- e choes that would be plural
Most plural words do.
borradores Words that end in consonants add -es to be made plural; words that end in vowels add -s.
Yes, either tornadoes or tornados
In American English, it is extremely rare for a plural word to end in a letter outside of "S".
Some words that end in -s that are always plural are:accommodationsamendsarchivesbarracksbinocularsbowelsclothescommunicationscongratulationscontentscrossroadsforcepsgallowsglasses (vision aid)goodsheadquartersjeansmathematicsmeansnewspajamaspantsscissorsseriesshortsspeciesstairstongstrouserstweezers