semantics vs linguistics

semantics and linguistics both are nouns.

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

As nouns, linguistics is a hypernym of semantics; that is, linguistics is a word with a broader meaning than semantics:

semantics (noun)	linguistics (noun)
the study of language meaning	the scientific study of language
the meaning of a word, phrase, sentence, or text	the humanistic study of language and literature