go around vs twiddle

go around is not a noun while twiddle is a noun.

Word	Noun	Adjective	Verb	Adverb
go around	No	No	Yes	No
twiddle	Yes	No	Yes	No

As verbs, twiddle is a hyponym of go around; that is, twiddle is a word with a more specific, narrower meaning than go around:

Other hyponyms of go around include drive in, screw, screw, wheel, wheel around, gyrate, reel, spin, spin around, whirl, swirl, twirl, whirl.

go around (noun)	twiddle (noun)
	a series of small (usually idle) twists or turns

go around (verb)	twiddle (verb)
become widely known and passed on	manipulate, as in a nervous or unconscious manner
avoid something unpleasant or laborious	turn in a twisting or spinning motion
go around the flank of (an opposing army)
turn on or around an axis or a center
be sufficient