According to the Merriam-Webster Dictionary, the correct spelling is "Aw." See the Related Link for the pertinent dictionary listing.
The correct spelling is whistling (making a tonal or musical sound, as from the lips).
That is the correct spelling of the verb "owe" (to be in one's debt).
That is the correct US spelling of "favorable" (the UK spelling is favourable).
Shoo-in is the correct spelling; but when you say either, both sound the same.
You sound it out and enter answer to question
The correct spelling is percussion (a sound made by striking).
The correct spelling is "onomatopoeia" (word imitating natural sound).The correct spelling is "onomatopoeia".
The correct spelling is whistling (making a tonal or musical sound, as from the lips).
gotenta
A bear "roars."
The correct spelling is "quiet"
That is the correct spelling of "phonics" (learning spelling through letter sounds).
it is a caw sound like cahhh ( very nasty to hear)
That is the correct spelling of the verb "owe" (to be in one's debt).
That is the correct US spelling of "favorable" (the UK spelling is favourable).
That is the correct spelling of "whistle" (a sound or a noisemaker, or to make sound or music with the lips).
The correct spelling is "microphone" (sound input device).