blaspheme vs curse

blaspheme is not a noun while curse is a noun.

Word	Noun	Adjective	Verb	Adverb
blaspheme	No	No	Yes	No
curse	Yes	No	Yes	No

As verbs, blaspheme and curse are synonyms defined as:

Other synonyms of blaspheme include cuss, imprecate, swear.

blaspheme (noun)	curse (noun)
	profane or obscene expression usually of surprise or anger
	an appeal to some supernatural power to inflict evil on someone or some group
	an evil spell
	a severe affliction
	something causing misery or death

blaspheme (verb)	curse (verb)
utter obscenities or profanities	utter obscenities or profanities
speak of in an irreverent or impious manner	wish harm upon; invoke evil upon
	heap obscenities upon
	exclude from a church or a religious community