realistic vs possible

realistic is not a noun while possible is a noun.

Word	Noun	Adjective	Verb	Adverb
realistic	No	Yes	No	No
possible	Yes	Yes	No	No

realistic (noun)	possible (noun)
	something that can be done
	an applicant who might be suitable

realistic (adjective)	possible (adjective)
aware or expressing awareness of things as they really are	capable of happening or existing
of or relating to the philosophical doctrine of realism	existing in possibility
representing what is real; not abstract or ideal