noun phrase vs nominal phrase

noun phrase and nominal phrase both are nouns.

Word	Noun	Adjective	Verb	Adverb
noun phrase	Yes	No	No	No
nominal phrase	Yes	No	No	No

As nouns, noun phrase and nominal phrase are synonyms defined as:

noun phrase and nominal phrase: a phrase that can function as the subject or object of a verb

Other synonyms of noun phrase include nominal.

noun phrase (noun)	nominal phrase (noun)
a phrase that can function as the subject or object of a verb	a phrase that can function as the subject or object of a verb