correlate vs related to

correlate is a noun but related to is not a noun.

Word	Noun	Adjective	Verb	Adverb
correlate	Yes	Yes	Yes	No
related to	No	Yes	No	No

correlate (noun)	related to (noun)
either of two or more related or complementary variables

correlate (adjective)	related to (adjective)
mutually related	being connected either logically or causally or by shared characteristics

correlate (verb)	related to (verb)
bring into a mutual, complementary, or reciprocal relation
to bear a reciprocal or mutual relation