perfect tense vs perfective tense

perfect tense and perfective tense both are nouns.

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

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

perfect tense and perfective tense: 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.

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