Acknowledge
Advance
Advocate
Affirm
Allegate
Allege
Announce
Argue
Assert
Asservate
Attest
Aver
Avow
Admit
Avouch
one is advocateannounce
Another word for addition which starts with the letter N is New.
letter
Another word for water that starts with the letter 'O' is oxygen dihydrogen.
updated
Astonishing.
Atop.
advertise
Amazing
astamp
Orator is another word for speaker.
"Deceiver" is another word for liar that starts with the letter A.