Compounds of 急

• 急
  (adj-na) (1) urgent
  sudden
  abrupt
  (2) sharp
  steep
  precipitous
  (3) rapid
  swift
  fast
  (n) (4) emergency
  crisis
  (5) hurrying
  haste
  (6) (in gagaku or noh) end of a song
  (P)
• 応急
  (n,adj-no) emergency
  first-aid
  (P)
• 火急
  (adj-na,n,adj-no) emergency
  urgency
• 緩急
  (n) in case of emergency
  (P)
• 危急
  (n) emergency
  (P)
• 急ぎ
  (n,adj-no) haste
  hurry
  expedition
  speed
  dispatch
  (P)
• 急く
  (v5k,vi) to hurry
  to rush
• 急ぐ
  (v5g,vi,vt) to hurry
  to rush
  to hasten
  to make something happen sooner
  (P)
• 急に
  (adv) (1) swiftly
  rapidly
  (2) suddenly
  abruptly
  immediately
• 急雨
  (n) (obsc) rain shower
• 急火
  (n) sudden fire
  nearby fire
• 急火
  (n) sudden fire
  nearby fire
• 急患
  (n) emergency case
  (P)
• 急激
  (adj-na,n) sudden
  precipitous
  radical
  (P)
• 急減
  (n,vs) sudden decrease
• 急行
  (n,vs,adj-no) (1) moving at high speed
  (2) (abbr) express (e.g. train that bypasses many stations)
  (P)
• 急告
  (n,vs) urgent notice
• 急坂
  (n) steep slope
  steep gradient
• 急坂
  (n) steep slope
  steep gradient
• 急使
  (n) express messenger
• 急死
  (n,vs) sudden death
  (P)
• 急襲
  (n,vs) raid
  assault
  descent
• 急峻
  (adj-na,n) steep
  sharp
• 急所
  (n) (1) vitals
  tender spot
  (2) secret
  key
  (3) (col) male crotch (as a target in fighting)
  (P)
• 急所
  (n) vital point (critical place to make a move in the game of Go)
• 急場
  (n) emergency
• 急伸
  (n,vs) sudden rise (esp. of stock prices)
  jump
  (P)
• 急信
  (n) urgent message or dispatch (despatch)
• 急進
  (n,vs) rapid progress
  radical
  (P)
• 急須
  (n) small teapot