Compounds of い

• いんちき
  (adj-na,n,vs) (1) cheating
  fake
  bogus
  (2) travelling seller of trinkets, magic tricks, etc. (traveling)
• ういっす
  (int) (col) Hi
• うがい薬
  (n) mouthwash
• うそ寒い
  (adj-i) somewhat cold
  a bit chilly
• うまい話
  (n) too good to be true stories (offers) (e.g. scams and frauds)
• うら若い
  (adj-i) young
  youthful
• えいやっ
  (int) go for it
  heave
  ugh
• えらい目
  (exp) terrible time
  hard time
  bad day
• おいおい
  (int) (1) Hey!
  Wait a minute!
  Whoa!
  (adv,adv-to) (2) boohoo
  waaaa
• おいどん
  (n) (Kagoshima dialect) I
  me
• おい付く
  (v5k,vi) to overtake
  to catch up (with)
• おっぱい
  (n,vs) (X) (col) breasts
  suck (nipple)
  tits
  (P)
• おにい系
  (n) men's fashion style characterized by brown hair and deep-tanned skin, expensive brand-name clothes and accessories
• おもしい
  (adj-i) interesting (Kanazawa dialect)
  amusing
• おもろい
  (adj-i) (ksb:) interesting
  amusing
• お願い事
  (n) request
• お見合い
  (n,vs) formal marriage interview
• お見舞い
  (n) calling on someone who is ill
  enquiry
  inquiry
• お互いに
  (adv) (pol) mutually
  with each other
  reciprocally
  together
  both
• お互い様
  (adj-na,n) we are of equal status in this regard
• お仕舞い
  (n) the end
  closing
  being done for
  (P)
• お手洗い
  (n) toilet
  restroom
  lavatory
  bathroom
  (P)
• お手伝い
  (n,vs) (1) maid
  (2) help
  (P)
• お小遣い
  (n) personal expenses
  pocket money
  spending money
  incidental expenses
  allowance
• お払い箱
  (n) discarding
  firing (an employee)
• お払い物
  (n) goods to offer the junk dealer
• お門違い
  (exp) barking up the wrong tree
  calling at the wrong house
• かい込む
  (v5m,vt) to carry under the arm
  to rake in
  to scoop up
• かい出す
  (v5s,vt) to bail out
• かい摘む
  (v5m,vt) (uk) to sum up
  to summarize
  to summarise