Compounds of いだ

• 見いだす
  (v5s,vt) to find out
  to discover
  to notice
  to select
• 言いだす
  (v5s,vt) to start talking
  to speak
  to tell
  to propose
  to suggest
  to break the ice
• だいだい色
  (n) orange-colored
  orange-coloured
• 留守のあいだ
  (adv) (in) one's absence
• 知らないあいだに
  (exp,adv) at some time, without being noticed
  before one knew
  before one realised