• coord,
• boped,
• caped,
• coloed,
• copyd,
• hooped,
• jroped,
• scouped,
• compied,
• gouped,
• corped,
• pooed,
• cooded,
• copyed,
• coooked,
• coruped,
• coppled,
• coopy,
• choped,
• coppied

• capped,
• coapt,
• cooled,
• Cupped,
• copied,
• Scooped,
• cooked,
• co-opt,
• looped,
• copout,
• copt,
• Coped.

The adjective form of the word "Cooped" is "cooped-up".

The plural form of the word "cooped" is "coops"

The singular form of the word "cooped" is "coop"