linguistics vs complementary distribution

linguistics and complementary distribution both are nouns.

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

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