Compounds of ぺ

• ぺちゃぱい
  (n) small breasts
  flat-chested
• ぺちゃんこ
  (adj-na,adj-no) (1) crushed flat
  flattened
  squashed
  flat-topped
  (n) (2) (col) (m-sl) flat-chested girl
  (3) (on-mim) sound of a sticky rice cake sticking to something
• ぺったんこ
  (adj-na,adj-no) (1) crushed flat
  flattened
  squashed
  flat-topped
  (n) (2) (col) (m-sl) flat-chested girl
  (3) (on-mim) sound of a sticky rice cake sticking to something
• ぺチャパイ
  (n) small breasts
  flat-chested
• 引っぺがす
  (v5s,vt) to peel off
• 言出しっぺ
  (exp) the one who brought it up
  the one who calls attention to a fart is in fact the farter
  the one who brings up a subject must be the first to act upon it
• 尻ぺんぺん
  (n,vs) (col) spanking the bottom
  spanking
• お尻ぺんぺん
  (n,vs) spanking (a child)
• のっぺらぼう
  (adj-na) (1) smooth
  flat
  lacking bumps and dents
  (2) featureless
  uneventful
  (n) (3) mythical being with flat featureless face
• ぺちゃくちゃ
  (adv,vs) (on-mim) chattering
  chit-chat
  (ladies) prattle
• ぺちゃぺちゃ
  (adv) (1) chatter
  prattle
  (2) sound of juicy food being bitten into
• ぺっちゃんこ
  (adj-na,adj-no) (1) crushed flat
  flattened
  squashed
  flat-topped
  (n) (2) (col) (m-sl) flat-chested girl
  (3) (on-mim) sound of a sticky rice cake sticking to something
• 言い出しっぺ
  (exp) the one who brought it up
  the one who calls attention to a fart is in fact the farter
  the one who brings up a subject must be the first to act upon it
• てっぺんかけたか
  (adv) (1) (obsc) calling sound of the lesser cuckoo
  (n) (2) lesser cuckoo (Cuculus poliocephalus)
• ぺろりと平らげる
  (exp,v1) to make short work of
  to eat up quickly