1. The American crocodile.

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

• aligator,
• allighator,
• alagator,
• alegator,
• allorgator,
• allligator,
• aplicator,
• aligators,
• allegator,
• alighator,
• allagator,
• alligaters,
• alligater,
• allegators,
• aligater,
• aligtor,
• allgiator,
• allienator,
• alligatord,
• Alligata

• alligatored,
• alight,
• alcidae,
• allocator,
• alligood.

The adjective form of the word "alligator" is "alligatorish" or "alligator-like".

The plural of the "alligator" can be the "alligators".

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