THESAURUS
moo
bark, bawl, bay, bell, bellow, blare, blat, blate, bleat, bray, call, caterwaul, cry, give tongue, give voice, howl, low, meow, mew, mewl, miaow, neigh, nicker, pule, roar, screak, scream, screech, squall, squeak, squeal, troat, ululate, wail, whicker, whine, whinny, yap, yawl, yawp, yelp, yip, yowl
ROGET THESAURUS
moo
Ululation
VB
cry, roar, bellow, blare, rebellow, growl, snarl, bark, bow-wow, yelp, bay, bay at the moon, yap, yip, yipe, growl, yarr, yawl, snarl, howl, grunt, gruntle, snort, squeak neigh, whinny, bray, mew, mewl, meow, purr, caterwaul, pule, baa, bleat, low,
moo, troat, croak, peep, coo, gobble, quack, honk, gaggle, guggle, crow, caw, squawk, screech cackle, cluck, clack, chuck, chuckle, hoot, hoo, chirp, cheep, chirrup, twitter, cuckoo, warble, trill, tweet, pipe, whistle, hum, buzz, hiss, blatter, ratatat.