We don't have synonyms for powerpop yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are power pop, powertop and power up.
(n) :
Alternative spelling of power pop. [(music) A genre of popular music inspired by 1960s British and American pop and rock music, with strong melodies, crisp vocal harmonies, economical arrangements, and prominent guitar riffs.]
(n) :
Alternative spelling of power pop. [(music) A genre of popular music inspired by 1960s British and American pop and rock music, with strong melodies, crisp vocal harmonies, economical arrangements, and prominent guitar riffs.]