complementary distribution vs linguistics

complementary distribution and linguistics both are nouns.

Word	Noun	Adjective	Verb	Adverb
complementary distribution	Yes	No	No	No
linguistics	Yes	No	No	No

complementary distribution (noun)	linguistics (noun)
(linguistics) a distribution of related speech sounds or forms in such a way that they only appear in different contexts	the scientific study of language
	the humanistic study of language and literature