gripe vs kick

gripe and kick both are nouns.

Word	Noun	Adjective	Verb	Adverb
gripe	Yes	No	Yes	No
kick	Yes	No	Yes	No

As nouns, gripe and kick are synonyms defined as:

Other synonyms of gripe include beef, bitch, squawk.

As verbs, kick is a hypernym of gripe; that is, kick is a word with a broader meaning than gripe:

Other hypernyms of gripe include complain, kvetch, plain, quetch, sound off.

gripe (noun)	kick (noun)
informal terms for objecting	the act of delivering a blow with the foot
	a rhythmic thrusting movement of the legs as in swimming or calisthenics
	the sudden stimulation provided by strong drink (or certain drugs)
	informal terms for objecting
	the backward jerk of a gun when it is fired
	the swift release of a store of affective force

gripe (verb)	kick (verb)
complain	express complaints, discontent, displeasure, or unhappiness
	make a goal
	stop consuming
	strike with the foot
	drive or propel with the foot
	spring back, as from a forceful thrust
	thrash about or strike out with the feet
	kick a leg up