creep vs grovel

creep is a noun but grovel is not a noun.

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

As verbs, creep and grovel are synonyms defined as:

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

creep (noun)	grovel (noun)
a slow mode of locomotion on hands and knees or dragging the body
a pen that is fenced so that young animals can enter but adults cannot
a slow longitudinal movement or deformation
someone unpleasantly strange or eccentric

creep (verb)	grovel (verb)
move slowly; in the case of people or animals with the body near the ground	show submission or fear
to go stealthily or furtively
grow or spread, often in such a way as to cover (a surface)
show submission or fear