perfect tense vs perfective

perfect tense and perfective both are nouns.

Word	Noun	Adjective	Verb	Adverb
perfect tense	Yes	No	No	No
perfective	Yes	No	No	No

As nouns, perfect tense and perfective are synonyms defined as:

perfect tense and perfective: a tense of verbs used in describing action that has been completed (sometimes regarded as perfective aspect)

Other synonyms of perfect tense include perfect, perfective tense.

perfect tense (noun)	perfective (noun)
a tense of verbs used in describing action that has been completed (sometimes regarded as perfective aspect)	the aspect of a verb that expresses a completed action
	a tense of verbs used in describing action that has been completed (sometimes regarded as perfective aspect)