In lang=en terms the difference between go and goa

is that go is noisy merriment while goa is a form of trance music that originated during the late 1980s in Goa, India (also Goa trance).

As proper nouns the difference between go and goa

is that go is abbreviation of Gorontalo|lang=en, a province of Indonesia while Goa is state in western India which has Panaji as its capital.

As nouns the difference between go and goa

is that go is the act of going while Goa is a form of trance music that originated during the late 1980s in Goa, India (also Goa trance).

As an abbreviation GO

is abbreviation of lang=en|graphene oxide.

As a verb go

is to move.