synthesizer vs synthesize

synthesizer is a noun but synthesize is not a noun.

Word	Noun	Adjective	Verb	Adverb
synthesizer	Yes	No	No	No
synthesize	No	No	Yes	No

synthesizer (noun)	synthesize (noun)
(music) an electronic instrument (usually played with a keyboard) that generates and modifies sounds electronically and can imitate a variety of other musical instruments
an intellectual who synthesizes or uses synthetic methods

synthesizer (verb)	synthesize (verb)
	combine so as to form a more complex, product
	combine and form a synthesis