1. See Clivers.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• cleners,
• leavess,
• flavers,
• clevers,
• claves,
• beleavers,
• clenaers,
• cleavege,
• cleates,
• clavery,
• bleaves,
• clevery,
• releavers,
• cleares,
• cleavges,
• cleaverly,
• cleaser,
• cleves,
• claers,
• leavers

• clover,
• clapperclaw,
• clivers,
• claver,
• cleaver,
• cleverness,
• clabber,
• clobber,
• clopper,
• clippers,
• clavier,
• clapper,
• clepper,
• cleverly,
• clappers,
• clipper,
• clever,
• Leaves.

The adjective form of the word "cleavers" is "cleaverish" or "cleavering".