crawl vs flutter kick

crawl and flutter kick both are nouns.

Word	Noun	Adjective	Verb	Adverb
crawl	Yes	No	Yes	No
flutter kick	Yes	No	No	No

crawl (noun)	flutter kick (noun)
a slow mode of locomotion on hands and knees or dragging the body	a swimming kick; the legs are moved rapidly up and down without bending the knees
a swimming stroke; arms are moved alternately overhead accompanied by a flutter kick
a very slow movement

crawl (verb)	flutter kick (verb)
move slowly; in the case of people or animals with the body near the ground
swim by doing the crawl
show submission or fear
be full of
feel as if crawling with insects