attach vs introduce

attach and introduce both are verbs.

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

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

attach (verb)	introduce (verb)
become attached	be a precursor of
cause to be attached	place, fit, or thrust (something) into another thing
be attached; be in contact with	put before (a body)
take temporary possession of as a security, by legal authority	cause to come to know personally
create social or emotional ties	furnish with a preface or introduction
	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