capitate vs biological science

capitate and biological science both are nouns.

Word	Noun	Adjective	Verb	Adverb
capitate	Yes	Yes	No	No
biological science	Yes	No	No	No

capitate (noun)	biological science (noun)
the wrist bone with a rounded head shape that articulates with the 3rd metacarpus	the science that studies living organisms

capitate (adjective)	biological science (adjective)
being abruptly enlarged and globose at the tip