rarify vs sophisticate

rarify is not a noun while sophisticate is a noun.

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

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

Other hyponyms of rarify include involve, develop.

rarify (noun)	sophisticate (noun)
	a worldly-wise person

rarify (verb)	sophisticate (verb)
make more complex, intricate, or richer	make more complex or refined
	alter and make impure, as with the intention to deceive
	practice sophistry; change the meaning of or be vague about in order to mislead or deceive
	make less natural or innocent