Compounds of 口

• 演説口調
  (n,adj-no) oratorical tone
• 火口原湖
  (n) crater lake
• 稼働人口
  (n) manpower
  work force
• 過剰人口
  (n) surplus population
• 開口一番
  (n-adv) at the very beginning of one's speech
  the first thing (one) says after opening the mouth
• 吸込み口
  (n) inlet
  port
  sink
• 急須の口
  (n) spout of a teapot
• 旧口動物
  (n) protostome
• 金口木舌
  (n) (public) opinion leader
• 金口木舌
  (n) (public) opinion leader
• 銀行口座
  (n) bank account
• 経口感染
  (n) oral infection
  orally transmitted infection
• 経口投与
  (n) (doses for) oral administration
• 経口免疫
  (n) oral immunization
• 鶏口牛後
  (exp) better to be the beak of a rooster than the rump of a bull
  better to be the leader of a small group than a subordinate in a large organization
  better to be a big fish in a little pond than a little fish in a big pond
• 減らず口
  (n) impudent talk
• 後口動物
  (n) deuterostome
• 口が悪い
  (exp,adj-i) sarcastic
  having a sharp (nasty) tongue
• 口が滑る
  (exp) to make a slip of the tongue
  to let something slip
• 口が軽い
  (exp,adj-i) having a loose tongue
  being talkative
  speaking without thinking
• 口が堅い
  (exp) tight-lipped
  able to keep a secret
• 口が巧い
  (exp,adj-i) honeymouthed
  glib
  fair-spoken
  cajoling
  talking glibly
• 口が重い
  (exp,adj-i) incommunicative
  taciturn
• 口が多い
  (exp,adj-i) (1) talkative
  loquacious
  garrulous
  voluble
  (exp) (2) having a large family to support
  having too many mouths to feed
• 口が辷る
  (oK) (exp) to make a slip of the tongue
  to let something slip
• 口げんか
  (n,vs) quarrel
  dispute
  (P)
• 口ごもる
  (v5r,vi) to hesitate to say
  to mumble
  to hem and haw
  to falter
  (P)
• 口ずから
  (adv) personally
• 口ずさむ
  (v5m) to hum something
  to sing to oneself
• 口づける
  (v1) to kiss