As adjectives the difference between punkier and spunkier
is that punkier is (punky) while spunkier is (spunky).
punkier
English
Adjective
(head)
(punky)
punky
English
Adjective
(er)
(Geology) Of or pertaining to punk (touchwood) - soft or rotted.
Of or pertaining to the punk subculture.
Noun
(punkies)
spunkier
English
Adjective
(head)
(spunky)
spunky
English
Adjective
(er)
Spirited or plucky.
(UK) Pertaining to or like spunk (semen).
(UK) Stained with semen.