grovel vs cower

grovel and cower both are verbs.

Word	Noun	Adjective	Verb	Adverb
grovel	No	No	Yes	No
cower	No	No	Yes	No

As verbs, grovel and cower are synonyms defined as:

Other synonyms of grovel include crawl, creep, cringe, fawn.

grovel (verb)	cower (verb)
show submission or fear	show submission or fear
	crouch or curl up