congratscon‧grats /kənˈɡræts/ noun [plural] informal 
congratulations
congratulations- indorse
- indrawn
- indubitable
- indubitably
- induce
- inducement
- induct
- inductee
- induction
- induction coil
- inductive
- indulge
- indulgence
- indulgent
- indulgently
- industrial
- industrial action
- industrial archaeology
- industrial arts
- industrial espionage
- industrial estate
- industrialism
- industrialist
- industrialization
- industrialize