excommunicate vs curse

excommunicate is not a noun while curse is a noun.

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

As verbs, excommunicate and curse are synonyms defined as:

Other synonyms of excommunicate include unchurch.

excommunicate (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

excommunicate (verb)	curse (verb)
exclude from a church or a religious community	utter obscenities or profanities
oust or exclude from a group or membership by decree	wish harm upon; invoke evil upon
	heap obscenities upon
	exclude from a church or a religious community