Howe vs discoverer

Howe and discoverer both are nouns.

Word	Noun	Adjective	Verb	Adverb
Howe	Yes	No	No	No
discoverer	Yes	No	No	No

Howe (noun)	discoverer (noun)
United States inventor who built early sewing machines and won suits for patent infringement against other manufacturers (including Isaac M. Singer) (1819-1867)	someone who is the first to observe something
United States feminist who was active in the women's suffrage movement (1819-1910)	someone who is the first to think of or make something
Canadian hockey player who holds the record for playing the most games (born 1928)
United States editor (1920-1993)