• coupn,
• coipy,
• coupk,
• copyu,
• corput,
• coopy,
• coyp,
• yopu,
• coplu,
• colpo,
• coppy,
• copuy,
• coope,
• compu,
• coept,
• copu,
• coppe,
• corpo,
• corypah,
• couypu

• coupe,
• Coffey,
• coop,
• covey,
• cope,
• coup,
• cop,
• cup,
• cob,
• Cobey,
• COPP,
• cowpie,
• copy,
• COPPA,
• cowpea,
• cowboy,
• co-op,
• Coby.

The adjective form of the word "coypu" is "coypuan".

The plural of the "coypu" can be the "coypus".

The singular of the "coypu" can be the "coypu".