geology
This is not a prefix, but a suffix. Biology, geology, zoology, are just some of the words with ology. This means the "study of" in latin.
"logy" means the science of. Like take Biology for instance... the beginning,bio meaning life; and the end, logy meaning the study of... so biology is the study of life.
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.