a.k.a. vs also known as

a.k.a. and also known as both are adverbs.

Word	Noun	Adjective	Verb	Adverb
a.k.a.	No	No	No	Yes
also known as	No	No	No	Yes

As adverbs, a.k.a. and also known as are synonyms defined as:

Other synonyms of a.k.a. include alias.

a.k.a. (adverb)	also known as (adverb)
as known or named at another time or place	as known or named at another time or place