Third (exactly 5 letters)
Examples of 5 letter words with the second letter 'u' are:augerburntcurseduncedustyfudgefungifunnyguessguestguilthumanhumorjudgekudzulunchlurchmuralmusicnudgenurseoughtpunchqueenquellquestrummyrumorruralsuavesunnysushitulletumorwurstyuccayummy
quest...
Fungi
Alter
braintrainframecreamdream
Puppy
Examples of 5 letter words with the second letter 'u' are:augerburntcurseduncedustyfudgefungifunnyguessguestguilthumanhumorjudgekudzulunchlurchmuralmusicnudgenurseoughtpunchqueenquellquestrummyrumorruralsuavesunnysushitulletumorwurstyuccayummy
slope
quest...
Fungi
Strait
Alter
dummy
braintrainframecreamdream
Five letter words with second letter x are:excelexertextraaxiomexpel
Some five letter words with the second letter A are:BaconbadgebanjoCadrecandyCanondancedaffydaisyeagerearlyearthfablefacetfaithgablegamuthabithairyhappyjauntkabobkayakkazoolabellancelaserMagmamatchmaybenachonastynaveloasispaperparchpartyrabidradioraisesaladsaltySatantabletainttalonvaletvalidvalvewaistwagonwateryachtyahooZaire
Some five letter words with the second letter U are:audioaugerbuglebunchcubiccurrydummydutchfudgeguanoguidehumidjudgekudzulucidlunchmusicnudgenuttyouterpulsepursequietquiltrustysupertuliptunicwurstyucca