Trust or Tribute.
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
Atop.
advertise
astamp
Amazing
Astonishing.
"Deceiver" is another word for liar that starts with the letter A.
Orator is another word for speaker.
Another word for delicious that starts with the letter 'A' could be appetizing. The definition of delicious is highly pleasing to the senses.