cower vs grovel

cower and grovel both are verbs.

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

As verbs, cower and grovel are synonyms defined as:

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

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