present perfect tense vs present perfect

present perfect tense and present perfect both are nouns.

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

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

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

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