Compounds of 投

• 投捨てる
  (v1,vt) to throw away
• 投票結果
  (n) results of a vote
  voting results
• 投票制度
  (n) voting system
• 投票総数
  (n) total number of votes cast
• 投票用紙
  (n) a ballot
• 投付ける
  (v1,vt) to throw at
  to throw something at a person
  to throw a person down
• 投擲競技
  (n) a throwing event
• 透視投影
  (n) (comp) perspective projection
• 徳利投げ
  (n) two-handed head twist down
• 二丁投げ
  (n) body drop throw (sweeping the opponent's legs and throwing them forward) (sumo)
• 認定投票
  (n) approval voting
• 敗戦投手
  (n) losing pitcher
• 発声投票
  (n) voice vote
• 秘密投票
  (n) secret vote
  secret ballot
• 不在投票
  (n) absentee voting
• 不法投棄
  (n,vs) unlawful dumping (e.g. of garbage)
• 分散投資
  (n) diversified investment
• 砲丸投げ
  (n) the shot put
• 無効投票
  (n) spoilt (invalid) vote
• 模擬投票
  (n) mock voting
• 洋上投票
  (n) on-the-sea ballot (votes cast in a federal election by ships' crewmen and sent by fax)
• 累積投票
  (n) cumulative voting
• 連記投票
  (n) secret balloting with multiple entries
• ぶん投げる
  (v1,vt) to throw (strongly, violently, etc.)
• データ投入
  (n) (comp) data entry
• ボール投げ
  (n) ball game
  playing catch
• 海外投資家
  (n) overseas investor
• 外国投資家
  (n) foreign investor
• 期日前投票
  (n) early voting
• 機関投資家
  (n) institutional investor