cantor vs hazan

cantor and hazan both are nouns.

Word	Noun	Adjective	Verb	Adverb
cantor	Yes	No	No	No
hazan	Yes	No	No	No

As nouns, cantor and hazan are synonyms defined as:

cantor and hazan: the official of a synagogue who conducts the liturgical part of the service and sings or chants the prayers intended to be performed as solos

cantor (noun)	hazan (noun)
the official of a synagogue who conducts the liturgical part of the service and sings or chants the prayers intended to be performed as solos	the official of a synagogue who conducts the liturgical part of the service and sings or chants the prayers intended to be performed as solos
the musical director of a choir