rhinal vs nasal

rhinal is not a noun while nasal is a noun.

Word	Noun	Adjective	Verb	Adverb
rhinal	No	Yes	No	No
nasal	Yes	Yes	No	No

As adjectives, rhinal and nasal are synonyms defined as:

rhinal (noun)	nasal (noun)
	an elongated rectangular bone that forms the bridge of the nose
	a consonant produced through the nose with the mouth closed

rhinal (adjective)	nasal (adjective)
of or in or relating to the nose	of or in or relating to the nose
	sounding as if the nose were pinched