involve vs rarify

involve and rarify both are verbs.

Word	Noun	Adjective	Verb	Adverb
involve	No	No	Yes	No
rarify	No	No	Yes	No

As verbs, rarify is a hypernym of involve; that is, rarify is a word with a broader meaning than involve:

Other hypernyms of involve include complicate, elaborate, refine.

involve (verb)	rarify (verb)
make complex or intricate or complicated	make more complex, intricate, or richer
occupy or engage the interest of
have as a necessary feature
connect closely and often incriminatingly
contain as a part
engage as a participant
require as useful, just, or proper