1. Croaking.

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

• creeky,
• ckocky,
• crakey,
• crakc,
• reaky,
• craky,
• crokey,
• craxy,
• crrazy,
• crouk,
• crozy,
• crocky,
• croawd,
• chokky,
• corakam,
• croky,
• crakr,
• croake,
• caaky,
• choakk

• craze,
• Crooks,
• cragg,
• creach,
• creak,
• creagh,
• crick,
• cracow,
• crock,
• croak,
• crash,
• craggy,
• Craig,
• crook,
• Creasy,
• crecy,
• crazy,
• Crooke,
• crass,
• crego,
• creek,
• Crase,
• crace,
• Crays,
• crake,
• croaks,
• creaky,
• crago,
• crease,
• crack,
• crag,
• crax,
• creasey.

The adjective form of the word "croaky" is "croakier".

The plural form of the word "croaky" is "croakies".

The singular form of the word "croaky" is "croak"