recreational vs amateur

recreational is not a noun while amateur is a noun.

Word	Noun	Adjective	Verb	Adverb
recreational	No	Yes	No	No
amateur	Yes	Yes	No	No

As adjectives, recreational and amateur are synonyms defined as:

Other synonyms of recreational include unpaid.

recreational (noun)	amateur (noun)
	someone who pursues a study or sport as a pastime
	an athlete who does not play for pay

recreational (adjective)	amateur (adjective)
of or relating to recreation	engaged in as a pastime
engaged in as a pastime	lacking professional skill or expertise