come by vs call in

come by and call in both are verbs.

Word	Noun	Adjective	Verb	Adverb
come by	No	No	Yes	No
call in	No	No	Yes	No

As verbs, call in is a hypernym of come by; that is, call in is a word with a broader meaning than come by:

Other hypernyms of come by include call, visit.

come by (verb)	call in (verb)
obtain, especially accidentally	make a phone call
visit informally and spontaneously	summon to a particular activity or employment
	summon to enter
	cause to be returned
	demand payment of (a loan)
	pay a brief visit
	take a player out of a game in order to exchange for another player