matchmaker vs matcher

matchmaker and matcher both are nouns.

Word	Noun	Adjective	Verb	Adverb
matchmaker	Yes	No	No	No
matcher	Yes	No	No	No

As nouns, matchmaker and matcher are synonyms defined as:

matchmaker and matcher: someone who arranges (or tries to arrange) marriages for others

Other synonyms of matchmaker include marriage broker.

matchmaker (noun)	matcher (noun)
someone who arranges (or tries to arrange) marriages for others	someone who arranges (or tries to arrange) marriages for others