• croker,
• cororner,
• crner,
• crowne,
• croner,
• coorner,
• croonies,
• comoner,
• covner,
• croney,
• crewer,
• crooder,
• crooker,
• drooner,
• crooenr,
• croonner,
• croonar,
• croones,
• gronner,
• grioner

• creamery,
• cromartie,
• creamer,
• cromer,
• Crowner,
• crownwork,
• criner,
• crown wart,
• coroner,
• craner,
• crammer,
• cremer,
• cromorne,
• cranmer,
• Cramer.

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

The plural of the "crooner" can be the "crooners".

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