Little Kid
Another word for addition which starts with the letter N is New.
letter
Jared
Another word for water that starts with the letter 'O' is oxygen dihydrogen.
Orator is another word for speaker.
updated
Atop.
advertise
astamp
Astonishing.
Amazing
Authority can be used as another word for expert and starts with an "A". Example: An authority on the subject of crime, notes that...