designer vs Ithiel Town

designer and Ithiel Town both are nouns.

Word	Noun	Adjective	Verb	Adverb
designer	Yes	No	No	No
Ithiel Town	Yes	No	No	No

As nouns, Ithiel Town is a hyponym of designer; that is, Ithiel Town is a word with a more specific, narrower meaning than designer:

designer: someone who creates plans to be used in making something (such as buildings)
Ithiel Town: United States architect who was noted for his design and construction of truss bridges (1784-1844)

Other hyponyms of designer include landscape architect, landscape gardener, landscaper, landscapist, Town.

designer (noun)	Ithiel Town (noun)
someone who creates plans to be used in making something (such as buildings)	United States architect who was noted for his design and construction of truss bridges (1784-1844)
someone who designs clothing
a person who specializes in interior design
a person who devises plots or intrigues
someone who specializes in graphic design