draw in vs introvert

draw in is not a noun while introvert is a noun.

Word	Noun	Adjective	Verb	Adverb
draw in	No	No	Yes	No
introvert	Yes	No	Yes	No

As verbs, introvert is a hyponym of draw in; that is, introvert is a word with a more specific, narrower meaning than draw in:

Other hyponyms of draw in include invaginate.

draw in (noun)	introvert (noun)
	(psychology) a person who tends to shrink from social contacts and to become preoccupied with their own thoughts

draw in (verb)	introvert (verb)
direct toward itself or oneself by means of some psychological power or physical attributes	turn inside
draw in as if by suction	fold inwards
pull inward or towards a center
of trains; move into (a station)
advance or converge on
shape one's body into a curl