songwriter vs ballad maker

songwriter and ballad maker both are nouns.

Word	Noun	Adjective	Verb	Adverb
songwriter	Yes	No	No	No
ballad maker	Yes	No	No	No

As nouns, songwriter and ballad maker are synonyms defined as:

songwriter and ballad maker: a composer of words or music for popular songs

Other synonyms of songwriter include songster.

songwriter (noun)	ballad maker (noun)
a composer of words or music for popular songs	a composer of words or music for popular songs