• coconers,
• comoners,
• droones,
• cocners,
• coowners,
• cororners,
• croonies,
• cronees,
• croneys,
• croones,
• couinhere,
• croners,
• groeners,
• caroners,
• prooners,
• croopers,
• croeers,
• crewmebers,
• Crroners,
• Creoners

• crown roast,
• cranmer,
• cremer,
• coroner,
• creamer,
• criner,
• cromorne,
• crooner,
• cromer,
• Crowner,
• crammer,
• craner,
• Cramer.

The adjective form of the word "crooners" is "crooning".