specifier vs intellectual

specifier and intellectual both are nouns.

Word	Noun	Adjective	Verb	Adverb
specifier	Yes	No	No	No
intellectual	Yes	Yes	No	No

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

specifier: someone who draws up specifications giving details (as for obtaining a patent)
intellectual: a person who uses the mind creatively

Other hypernyms of specifier include intellect.

specifier (noun)	intellectual (noun)
someone who draws up specifications giving details (as for obtaining a patent)	a person who uses the mind creatively

specifier (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