Compounds of ぽか

• ぽか
  (n,vs) (col) blunder
  (careless) mistake
  error
• ぽかん
  (adv-to) (on-mim) with a whack
  slowly and lazily
  gaping
  absentmindedly
  flabbergasted
  (P)
• ぽかぽか
  (adv,n,vs,adv-to) (1) (on-mim) warmth throughout your body
  (2) sound of beating someone
  (P)
• ぽかよけ
  (n) fool-proofing
  mistake-proofing
  error-proofing
  fail-safe
• すっぽかす
  (v5s,vt) to stand (someone) up
  to leave (something) undone
  to neglect (a duty)
• ほっぽかす
  (v5s) (obsc) (col) to leave
  to skip out