There are lots of words. Three-letter and bigger words:
ice ices rice ricer icer icers mice nice nicer arc arcs cam scam cams came ace aces acer acers mace maces race races arm arms car cars scar care cares scare mar mars mare mares ear ears sear earn earns ream reams ire ires sire siren sir mire mires rein reins mien miens can cans cane canes caner caners amir amirs air airs man men mean means mane manes cram crams scram cream creams scream arise rise risen raise arisen crime crimes mine mines amen amens crain crains crane cranes sane saner seam same rain rains main mains same name names namer namers miner miners cana canas camera cameras mean means manic manse merc mercs case smear rim rims sac mince minces mincer mincers since near nears snare rim rims ram rams rinse miser aim aims narc narcs sain cries remain remains
That should be a good start for you.
clash
Words that can be made from the letters 'chhtaet' are:aaceacheactahatatecatcatechatcheateacheatetchhahahhathatchhatchethatehathheheatheathtacttatteateachteatthatchthetheta
Some words that can be made from the letters in celebrate are:baleratelaterebatecrateatecleatcabbartealbeatbeetbearbareteateartarebatcattalccrab
Some words that can be made from the letters 'unravel' are:aaleanareaveeareralalanelaveleanlunarlurenavelnearranraveravelravenrealrevruerulerunvalevaluevanvealvernal
Words that can be made from the letters in 'slate' are:aaleasatateeatlalealastlatesalesaltsatsateseasealsetstealtaleteateal
Words that can be made from the letters in facing are:aacinganCanfagfangfainFigfinGinIifinnag
Words that can be made from the letters ACTION are:aactanantatcancantcatcoinconIiconinionitnitnonotoatontantintotontonic
Words that can be made from the letters in 'which' are:chihiI
Words that can be made from the letters in 'acorn' are:aanarccancarconcornnoroaronororcaranroan
No five letter words can be made from those letters. The following words can be made with the letters 'zcmegoy':cogcomecoycozyegogemgymgomemyyo
Words that can be made from the letters CABF are: a, cab, fab
Some words that can be made with the letters of 'encumber' are:bebeebeenbeerbermbumbunburncremecrumbcubcubecurcurbcureecruemuembermemenmenumereneenumbnumberruberuerumrumenruneumberurn