nursing aide vs nurse's aide

nursing aide and nurse's aide both are nouns.

Word	Noun	Adjective	Verb	Adverb
nursing aide	Yes	No	No	No
nurse's aide	Yes	No	No	No

As nouns, nursing aide and nurse's aide are synonyms defined as:

nursing aide and nurse's aide: someone who assists a nurse in tasks that require little formal training

nursing aide (noun)	nurse's aide (noun)
someone who assists a nurse in tasks that require little formal training	someone who assists a nurse in tasks that require little formal training