conjoin vs attach

conjoin and attach both are verbs.

Word	Noun	Adjective	Verb	Adverb
conjoin	No	No	Yes	No
attach	No	No	Yes	No

As verbs, attach is a hyponym of conjoin; that is, attach is a word with a more specific, narrower meaning than conjoin:

conjoin (verb)	attach (verb)
make contact or come together	become attached
take in marriage; married	cause to be attached
	be attached; be in contact with
	take temporary possession of as a security, by legal authority
	create social or emotional ties