tantra vs Sanskrit literature

tantra and Sanskrit literature both are nouns.

Word	Noun	Adjective	Verb	Adverb
tantra	Yes	No	No	No
Sanskrit literature	Yes	No	No	No

As nouns, Sanskrit literature is a hypernym of tantra; that is, Sanskrit literature is a word with a broader meaning than tantra:

tantra: any of a fairly recent class of Hindu or Buddhist religious literature concerned with ritual acts of body and speech and mind
Sanskrit literature: Hindu literature written in Sanskrit

tantra (noun)	Sanskrit literature (noun)
any of a fairly recent class of Hindu or Buddhist religious literature concerned with ritual acts of body and speech and mind	Hindu literature written in Sanskrit