whistler vs whistle

whistler and whistle both are nouns.

Word	Noun	Adjective	Verb	Adverb
whistler	Yes	No	No	No
whistle	Yes	No	Yes	No

whistler (noun)	whistle (noun)
Australian and southeastern Asian birds with a melodious whistling call	an inexpensive fipple flute
large-headed swift-flying diving duck of Arctic regions	acoustic device that forces air or steam against an edge or into a cavity and so produces a loud shrill sound
large North American mountain marmot	a small wind instrument that produces a whistling sound by blowing into it
someone who makes a loud high sound	the act of signalling (e.g., summoning) by whistling or blowing a whistle
	the sound made by something moving rapidly or by steam coming out of a small aperture

whistler (verb)	whistle (verb)
	utter or express by whistling
	make a whining, ringing, or whistling sound
	give a signal by whistling
	move with, or as with, a whistling sound
	move, send, or bring as if by whistling
	make whistling sounds