The sound of a whistle is typically spelled as "whooo" or "whoo-whoo".
That is the correct spelling of "whistle" (a sound or a noisemaker, or to make sound or music with the lips).
The sound a flute makes is typically spelled as "whistle" or "flutey."
The correct spelling is whistling (making a tonal or musical sound, as from the lips).
"toot" is a palindrome for sound from the whistle.
The correct spelling is "whistle."
Onomatopoeia
The sound a whistle makes is often described as "whoo" or "wee" depending on the pitch and intensity of the sound.
The reason for a ball inside a whistle is that it produces a 'warbling' sound that makes the whistle's sound more attention getting
The "i" in "whistle" makes a long vowel sound.
whistle :-)
A whistle typically produces a high-pitched sound, while thunder is a deep rumbling noise.