yammer vs quetch

yammer and quetch both are verbs.

Word	Noun	Adjective	Verb	Adverb
yammer	No	No	Yes	No
quetch	No	No	Yes	No

As verbs, quetch is a hypernym of yammer; that is, quetch is a word with a broader meaning than yammer:

Other hypernyms of yammer include complain, kick, kvetch, plain, sound off.

yammer (verb)	quetch (verb)
complain whiningly	express complaints, discontent, displeasure, or unhappiness
cry loudly, as of animals