physicist vs Gilbert

physicist and Gilbert both are nouns.

Word	Noun	Adjective	Verb	Adverb
physicist	Yes	No	No	No
Gilbert	Yes	No	No	No

physicist (noun)	Gilbert (noun)
a scientist trained in physics	United States architect who influenced the development of the skyscraper (1859-1934)
	English navigator who in 1583 established in Newfoundland the first English colony in North America (1539-1583)
	English court physician noted for his studies of terrestrial magnetism (1540-1603)
	a librettist who was a collaborator with Sir Arthur Sullivan in a famous series of comic operettas (1836-1911)