fall in vs organise

fall in and organise both are verbs.

Word	Noun	Adjective	Verb	Adverb
fall in	No	No	Yes	No
organise	No	No	Yes	No

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

fall in (verb)	organise (verb)
break down, literally or metaphorically	bring order and organization to
become part of; become a member of a group or organization	plan and direct (a complex undertaking)
to take one's place in a military formation or line	arrange by systematic planning and united effort
	cause to be structured or ordered or operating according to some principle or idea
	create (as an entity)
	form or join a union