medical specialty vs palpable

medical specialty is a noun but palpable is not a noun.

Word	Noun	Adjective	Verb	Adverb
medical specialty	Yes	No	No	No
palpable	No	Yes	No	No

medical specialty (noun)	palpable (noun)
the branches of medical science that deal with nonsurgical techniques

medical specialty (adjective)	palpable (adjective)
	capable of being perceived; especially capable of being handled or touched or felt
	so intense as to be almost touched or felt
	clearly revealed to the mind or the senses or judgment
	(medicine) can be felt by palpation