As nouns the difference between virl and pirl
is that virl is (scottish) ferrule while pirl is a ripple; a twist or curl.
As a verb pirl is
to twist or wind, especially into a cord or braid etc.
pirl
English
Verb
(
en verb)
to twist or wind, especially into a cord or braid etc.
to ripple, swirl, especially of water
(transitive) to cause to revolve or spin
Noun
(
en noun)
a ripple; a twist or curl