As an adverb interchangeably
is with the ability of being interchanged or swapped.
As a proper noun Gmail is
a web-based e-mail system provided by Google (trademarked Gmail).
As a verb Gmail is
to send some one an e-mail using Gmail.
interchangeably
English
Adverb
(-)
with the ability of being interchanged or swapped
gmail
English
Alternative forms
*G-mail, gMail, GMail
Verb
(
en verb)
To send some one an e-mail using Gmail.
:Gmail me!