theme vs linguistics

theme and linguistics both are nouns.

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

theme (noun)	linguistics (noun)
a unifying idea that is a recurrent element in literary or artistic work	the scientific study of language
the subject matter of a conversation or discussion	the humanistic study of language and literature
an essay (especially one written as an assignment)
(music) melodic subject of a musical composition
(linguistics) the form of a word after all affixes are removed

theme (verb)	linguistics (verb)
provide with a particular theme or motive