Agha vs Aga

Agha and Aga both are nouns.

Word	Noun	Adjective	Verb	Adverb
Agha	Yes	No	No	No
Aga	Yes	No	No	No

As nouns, Agha and Aga are synonyms defined as:

Agha and Aga: title for a civil or military leader (especially in Turkey)

Agha (noun)	Aga (noun)
title for a civil or military leader (especially in Turkey)	title for a civil or military leader (especially in Turkey)