talk about vs blaspheme

talk about and blaspheme both are verbs.

Word	Noun	Adjective	Verb	Adverb
talk about	No	No	Yes	No
blaspheme	No	No	Yes	No

As verbs, blaspheme is a hyponym of talk about; that is, blaspheme is a word with a more specific, narrower meaning than talk about:

Other hyponyms of talk about include discuss, hash out, talk over.

talk about (verb)	blaspheme (verb)
to consider or examine in speech or writing	utter obscenities or profanities
discuss or mention	speak of in an irreverent or impious manner