Here is my list of words containing the word part -auto- but none of them end with it:
autarchy n. (Gr. autarchia, absolute power. -auto-, self + -arch-, rule + -y, Qu, A, C) Unlimited power; unlimited sovereignty; autocracy. [Used to mean self-sufficient.]
authentic adj. (Gr. authentikos, L. authenticus, coming from the real author. -auto-, self + -entea-, instruments, tools + -ic, L, N, Ch, made of) Genuine, not of doubtful origin.
authenticity n. (authentic + -ity, Ch, C, S) Genuineness. The quality of being authentic.
autobiography n. (-auto-, self + -bio-, life + -graph-, written + -y, Qu, A, C) A biography written by the subject
autocracy n. (-auto-, self + -cracy, rule) Supreme, uncontrolled, and unlimited authority. A country with this type of government.
autocrat n. (-auto-, self + -crat-, rule) An absolute prince or sovereign; dictator, despot.
automaton n. (Gr. automatos, -auto-, self + matenein, to strive to do) A mechanical device that mimics the movements of humans or animals.
autonomous adj. (Gr. autonomia, independence. -auto-, self + -nom- manage, law + -ous, have, Ch, F) Independent in government. Having the right or power of self-government.
autonomy n. (-auto-, self +-nomy, manage, law) The power or right of self-government. Any state that governs itself.
autopsy n. (Gr. autopsia. a seeing with one's own eyes, -auto- self + -ops-, eyes, see + -y, Qu, A, C) Personal examination, seeing with one's own eyes. Medically: The post mortem dissection of a dead body to ascertain the cause of death.
(autarky, autecoid, autecology, authotype, autism, autoantibody, autoantitoxin, autoasphyxiation, autoaudible, autocarp, autocatalysis, autocephalous, autochronograph, , autochthonal, autocide, autocinesis, autoclasia, autoclave, autodeme, autodermic, autodiagnosis, autodidactic, autodyne, autoecious, autoerotism, autofecundation, autogamous, autogenesis, autogenous, autogiro, autognosis, autograft, autograph, autohemolysis, autohemorrhage, autohemotherapy, autohypnosis, autoimmune, autoinfection, autoinnoculation, autointoxicant, autokinesis, autolatry, autologous, autology, autoluminescence, autolysin, autolysis, automat, automatic, automation, automnesia, automobile, automysophobia, autonarcosis, autonephrectomy, autonetics, autonym, autonymous, autopathography, autophagia, autophile, autophobia, autophony, autophyllogeny, autophyte, autoplasty, autopotamic, autopsychosis, autopsychotherapy, autoradiograph, autosite, autosome, autosomatognosis, autostylic, autosuggestion, autotemnous, autotheism, autotherapy, autotomy, autotopagnosia, autotoxemia, autotoxic, autotoxicosis, autotoxin, autotrophic, autotropism, autotype, autoxenous, autoxidation, autozooid, chemoautotrophic, dermatoautoplasty, photoautotropic, semiautomatic, semiautonomous)
Some words that end with the suffix 'fy' are:acidify.amplify.beautify.belfry.calcify.certify.clarify.classify.detoxify.dignify.electrify.emulsify.falsify.fortify.glorify.horrify.identify.intensify.justify.leafy.liquefy.magnify.mystify.notify.nullify.objectify.pacify.purify.qualify.quantify.ratify.rectify.sanctify.solidify.terrify.testify.typify.unify.verify.versify.vilify.vivify.
Some words that end or with suffix cain: cocain. marocain.
Words with the suffix ance:acceptanceappearancearroganceassistanceclearancecompliancecontinuancedisappearancedistanceeleganceentrancegrievancemaintenanceperformancepredominanceresistancetolerancesubstancetemperanceviligance
-idle isn't a suffix. There are words that end with -idle, like bridle, but it isn't a suffix.
There are no common English words that end with the suffix "ankle".
analogybaggybiologybuggyclingydingyedgyenergyfoggylethargymangymuggyorgypedagogypiggyprodigypsychologysaggystingystringysynergytangy
Words that end with full: * brimfull * overfull * topfull
Some words that end with the suffix "cosm" are microcosm, macrocosm, and cosmos.
Some words that end with the suffix "thy" include loyalty, honesty, and sympathy.
Some words that end with the suffix "iour" include behavior, humor, and flavor.
altitudeattitudeaptitudebeatitudeconcludecrudeeludeexudefortitudegratitudehackitudelatitudelongitudelassitudemultitudesolitude
Some words that end with the suffix "ock" include: Frock Smock Shamrock Haddock