set off vs fall out

set off and fall out both are verbs.

Word	Noun	Adjective	Verb	Adverb
set off	No	No	Yes	No
fall out	No	No	Yes	No

set off (verb)	fall out (verb)
cause to burst with a violent release of energy	come to pass
set in motion or cause to begin	have a breach in relations
direct attention to, as if by means of contrast	drop out
provoke or stir up	leave (a barracks) in order to take a place in a military formation, or leave a military formation
put in motion or move to act	come as a logical consequence; follow logically
depart for someplace
make up for