medical specialty vs achromia

medical specialty and achromia both are nouns.

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

medical specialty (noun)	achromia (noun)
the branches of medical science that deal with nonsurgical techniques	an absence of normal pigmentation especially in the skin (as in albinism) or in red blood cells