postposition vs linguistics

postposition and linguistics both are nouns.

Word	Noun	Adjective	Verb	Adverb
postposition	Yes	No	No	No
linguistics	Yes	No	No	No

postposition (noun)	linguistics (noun)
(linguistics) the placing of one linguistic element after another (as placing a modifier after the word that it modifies in a sentence or placing an affix after the base to which it is attached)	the scientific study of language
	the humanistic study of language and literature