present perfect vs present perfect tense

present perfect and present perfect tense both are nouns.

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

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

present perfect and present perfect tense: a perfective tense used to express action completed in the present

present perfect (noun)	present perfect tense (noun)
a perfective tense used to express action completed in the present	a perfective tense used to express action completed in the present