swirl vs twiddle

swirl and twiddle both are nouns.

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

As verbs, swirl and twiddle are synonyms defined as:

Other synonyms of swirl include twirl, whirl.

swirl (noun)	twiddle (noun)
the shape of something rotating rapidly	a series of small (usually idle) twists or turns

swirl (verb)	twiddle (verb)
flow in a circular current, of liquids	manipulate, as in a nervous or unconscious manner
turn in a twisting or spinning motion	turn in a twisting or spinning motion