trained nurse vs graduate nurse

trained nurse and graduate nurse both are nouns.

Word	Noun	Adjective	Verb	Adverb
trained nurse	Yes	No	No	No
graduate nurse	Yes	No	No	No

As nouns, trained nurse and graduate nurse are synonyms defined as:

trained nurse and graduate nurse: someone who has completed the course of study (including hospital practice) at a nurses training school

trained nurse (noun)	graduate nurse (noun)
someone who has completed the course of study (including hospital practice) at a nurses training school	someone who has completed the course of study (including hospital practice) at a nurses training school