twirl vs swirl

twirl and swirl both are nouns.

Word	Noun	Adjective	Verb	Adverb
twirl	Yes	No	Yes	No
swirl	Yes	No	Yes	No

As verbs, twirl and swirl are synonyms defined as:

Other synonyms of twirl include twiddle, whirl.

twirl (noun)	swirl (noun)
the act of rotating rapidly	the shape of something rotating rapidly
a sharp bend in a line produced when a line having a loop is pulled tight

twirl (verb)	swirl (verb)
turn in a twisting or spinning motion	flow in a circular current, of liquids
cause to spin	turn in a twisting or spinning motion