crawfish vs crawfish out

crawfish is a noun but crawfish out is not a noun.

Word	Noun	Adjective	Verb	Adverb
crawfish	Yes	No	Yes	No
crawfish out	No	No	Yes	No

As verbs, crawfish and crawfish out are synonyms defined as:

crawfish and crawfish out: make a retreat from an earlier commitment or activity

Other synonyms of crawfish include back away, back out, pull back, pull in one's horns, retreat, withdraw.

crawfish (noun)	crawfish out (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)	crawfish out (verb)
make a retreat from an earlier commitment or activity	make a retreat from an earlier commitment or activity