• eachycentron canadum,
• dachycentron canadum,
• fachycentron canadum,
• tachycentron canadum,
• 5achycentron canadum,
• 4achycentron canadum,
• rzchycentron canadum,
• rschycentron canadum,
• rwchycentron canadum,
• rqchycentron canadum,
• raxhycentron canadum,
• ravhycentron canadum,
• rafhycentron canadum,
• radhycentron canadum,
• racgycentron canadum,
• racbycentron canadum,
• racnycentron canadum,
• racjycentron canadum,
• racuycentron canadum,
• racyycentron canadum

The adjective form for the word "rachycentron canadum" is "rachycentron canadum". The species name is often italicized or written in lowercase letters, but it remains the same in both noun and adjective forms.

The plural form of "Rachycentron Canadum" is "Rachycentron Canadum." This is because "Rachycentron Canadum" is the scientific name for a specific species of fish called the Cobia, and scientific names do not typically change when pluralized.

The singular form of the word "Rachycentron Canadum" is "Rachycentron Canadum" itself. It is the scientific name for a specific species of fish commonly known as the "Cobia". Unlike common nouns, scientific names do not have a specific singular form separate from the plural.