Synonyms for Yak:

n.

palaver, jabber, go on, words, spiel, gas, run on, chitchat, run off at the mouth, prattle, jaw, gossip, prate, clack, babble, talk through your hat, waffle, blabber. giant panda, water buffalo, Bactrian Camel. animal (noun)
Bos Grunniens.
mammal (noun)
giraffe, stag, coyote, marmot, antelope, possum, hare, hog, mole, llama, burro, jackal, fox, dingo, gnu, skunk, polecat, gopher, reindeer, goat, jaguar, hyena, sable, opossum, bobcat, rabbit, arctic fox, kangaroo, deer, Lynx, panda, mink, dromedary, leopard, mule, moose, porcupine, rat, buffalo, lemming, stoat, wallaby, ermine, panther, mouse, swine, sheep, elephant, camel, cheetah, cow, cat, gazelle, caribou, koala, beaver, weasel, elk, bear, tiger, cavy, cougar, ferret, otter, bison, chipmunk, alpaca, squirrel, chinchilla, rhinoceros, ocelot, hedgehog, donkey, wombat, ox, hippopotamus, mongoose, raccoon, wolf, shrew, ibex, dog, camelopard, zebra, lion, horse, platypus, echidna, hamster, puma, sloth, pig.
yak (noun)
chatter, Bos Grunniens, laugh, yakety-yak, cackle, joke, yack, gag, jest, wheeze, jape.

v.

talk (verb)
gossip, jaw, prattle, babble, run on, jabber, clack, chatter, prate.

Other synonyms:

spiel, water buffalo, Bactrian Camel, giant panda. palaver, prate, blabber, chitchat. gas, babble, jabber, prattle, jaw. clack. Other relevant words:
gas, laugh, gossip, joke, yack, babble, spiel, waffle, jape, wheeze, clack, Bos Grunniens, cackle, yakety-yak, gag, palaver, jaw, chatter, jest, go on, prattle, blabber, words, prate, run off at the mouth, jabber, chitchat.

Usage examples for yak

  1. As we were starving and could find no " argals," that is fuel with which to make a fire, we walked all night by the light of the moon, driving between us a single yak for now we had no attendant, the last having died a year before. – Ayesha The Further History of She-Who-Must-Be-Obeyed by H. Rider Haggard
  2. He rose without a word, brushed the snow from his beard and garments and came to help me to lift the yak to its feet, for the worn- out beast was too stiff and weak to rise of itself. – Ayesha The Further History of She-Who-Must-Be-Obeyed by H. Rider Haggard