introduce vs attach

introduce and attach both are verbs.

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

As verbs, attach is a hypernym of introduce; that is, attach is a word with a broader meaning than introduce:

introduce (verb)	attach (verb)
be a precursor of	become attached
place, fit, or thrust (something) into another thing	cause to be attached
put before (a body)	be attached; be in contact with
cause to come to know personally	take temporary possession of as a security, by legal authority
furnish with a preface or introduction	create social or emotional ties
bring before the public for the first time, as of an actor, song, etc.
put or introduce into something
bring something new to an environment
bring in or establish in a new place or environment
bring in a new person or object into a familiar environment