whiz vs purr

whiz and purr both are nouns.

Word	Noun	Adjective	Verb	Adverb
whiz	Yes	No	Yes	No
purr	Yes	No	Yes	No

As verbs, whiz and purr are synonyms defined as:

Other synonyms of whiz include birr, whir, whirr, whizz.

whiz (noun)	purr (noun)
a buzzing or hissing sound as of something traveling rapidly through the air	a low vibrating sound typical of a contented cat
someone who is dazzlingly skilled in any field

whiz (verb)	purr (verb)
make a soft swishing sound	indicate pleasure by purring; characteristic of cats
	make a soft swishing sound