A 5 letter animal with the second letter 'u' is the quoll, an Australian carnivorous marsupial
Examples of 5 letter words with the second letter 'u' are:augerburntcurseduncedustyfudgefungifunnyguessguestguilthumanhumorjudgekudzulunchlurchmuralmusicnudgenurseoughtpunchqueenquellquestrummyrumorruralsuavesunnysushitulletumorwurstyuccayummy
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Some five letter words with second letter U and fifth letter T are:auditbuiltburntburstcubitduvetguestguiltoughtquartquestquiltquintwurst
A five letter word with the second letter U, third letter C, ending with S is MUCUS.