introduce vs penetrate

introduce and penetrate both are verbs.

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

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

introduce (verb)	penetrate (verb)
be a precursor of	come to understand
place, fit, or thrust (something) into another thing	become clear or enter one's consciousness or emotions
put before (a body)	pass into or through, often by overcoming resistance
cause to come to know personally	insert the penis into the vagina or anus of
furnish with a preface or introduction	spread or diffuse through
bring before the public for the first time, as of an actor, song, etc.	make one's way deeper into or through
put or introduce into something	enter a group or organization in order to spy on the members
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