third
aliya, aloha, alpha, alula
One such word is locus. Another is bonus.
there is no 5 letter word end with tend
Puppy
braintrainframecreamdream
dummy
Alter
quest...
slope
Fungi
Strait
Examples of 5 letter words with the second letter 'u' are:augerburntcurseduncedustyfudgefungifunnyguessguestguilthumanhumorjudgekudzulunchlurchmuralmusicnudgenurseoughtpunchqueenquellquestrummyrumorruralsuavesunnysushitulletumorwurstyuccayummy