implode vs fall in

implode and fall in both are verbs.

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

As verbs, fall in is a hypernym of implode; that is, fall in is a word with a broader meaning than implode:

Other hypernyms of implode include break, cave in, collapse, founder, give, give way.

implode (verb)	fall in (verb)
burst inward	break down, literally or metaphorically
	become part of; become a member of a group or organization
	to take one's place in a military formation or line