crawl vs formicate

crawl is a noun but formicate is not a noun.

Word	Noun	Adjective	Verb	Adverb
crawl	Yes	No	Yes	No
formicate	No	No	Yes	No

As verbs, formicate is a hyponym of crawl; that is, formicate is a word with a more specific, narrower meaning than crawl:

crawl: move slowly; in the case of people or animals with the body near the ground
formicate: crawl about like ants

crawl (noun)	formicate (noun)
a slow mode of locomotion on hands and knees or dragging the body
a swimming stroke; arms are moved alternately overhead accompanied by a flutter kick
a very slow movement

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