clever Dick vs intellectual

clever Dick and intellectual both are nouns.

Word	Noun	Adjective	Verb	Adverb
clever Dick	Yes	No	No	No
intellectual	Yes	Yes	No	No

As nouns, intellectual is a hypernym of clever Dick; that is, intellectual is a word with a broader meaning than clever Dick:

clever Dick: an intellectual who is ostentatiously and irritatingly knowledgeable
intellectual: a person who uses the mind creatively

Other hypernyms of clever Dick include intellect.

clever Dick (noun)	intellectual (noun)
an intellectual who is ostentatiously and irritatingly knowledgeable	a person who uses the mind creatively

clever Dick (adjective)	intellectual (adjective)
	appealing to or using the intellect
	involving intelligence rather than emotions or instinct
	of or associated with or requiring the use of the mind