crawfish vs draw back

crawfish is a noun but draw back is not a noun.

Word	Noun	Adjective	Verb	Adverb
crawfish	Yes	No	Yes	No
draw back	No	No	Yes	No

crawfish (noun)	draw back (noun)
large edible marine crustacean having a spiny carapace but lacking the large pincers of true lobsters
small freshwater decapod crustacean that resembles a lobster
tiny lobster-like crustaceans usually boiled briefly

crawfish (verb)	draw back (verb)
make a retreat from an earlier commitment or activity	use a surgical instrument to hold open (the edges of a wound or an organ)
	pull back or move away or backward