In intransitive terms the difference between whistle and whiffle
is that
whistle is to move in such a way as to create a whistling sound while
whiffle is to waver, or shake, as if moved by gusts of wind; to shift, turn, or veer about.
In transitive terms the difference between whistle and whiffle
is that
whistle is to send, signal, or call by a whistle while
whiffle is to wave or shake quickly; to cause to whiffle.
As nouns the difference between whistle and whiffle
is that
whistle is a device designed to be placed in the mouth in order, or driven by steam or otherwise, to make a whistling sound while
whiffle is a short blow or gust.
As verbs the difference between whistle and whiffle
is that
whistle is to make a shrill, high-pitched sound by forcing air through the mouth. To produce a whistling sound, restrictions to the flow of air are created using the teeth, tongue and lips while
whiffle is to blow a short gust.