get out vs fall out

get out and fall out both are verbs.

Word	Noun	Adjective	Verb	Adverb
get out	No	No	Yes	No
fall out	No	No	Yes	No

As verbs, fall out is a hyponym of get out; that is, fall out is a word with a more specific, narrower meaning than get out:

get out: move out of or depart from
fall out: leave (a barracks) in order to take a place in a military formation, or leave a military formation

Other hyponyms of get out include depart, go, go away, pop out, file out, get off, hop out, get off, step out, eject, undock, log off, log out.

get out (verb)	fall out (verb)
be released or become known; of news	come to pass
express with difficulty	have a breach in relations
escape potentially unpleasant consequences; get away with a forbidden action	drop out
take out of a container or enclosed space	leave (a barracks) in order to take a place in a military formation, or leave a military formation
move out or away	come as a logical consequence; follow logically
move out of or depart from
bring, take, or pull out of a container or from under a cover