• eichmondena cardinalis,
• dichmondena cardinalis,
• fichmondena cardinalis,
• tichmondena cardinalis,
• 5ichmondena cardinalis,
• 4ichmondena cardinalis,
• ruchmondena cardinalis,
• rjchmondena cardinalis,
• rkchmondena cardinalis,
• rochmondena cardinalis,
• r9chmondena cardinalis,
• r8chmondena cardinalis,
• rixhmondena cardinalis,
• rivhmondena cardinalis,
• rifhmondena cardinalis,
• ridhmondena cardinalis,
• ricgmondena cardinalis,
• ricbmondena cardinalis,
• ricnmondena cardinalis,
• ricjmondena cardinalis

The adjective form of "Richmondena cardinalis" is "Richmondena cardinalis".

The plural form of the word "Richmondena Cardinalis" is "Richmondena Cardinalis" or "Richmondena Cardinalises." The name Cardinalis is already considered plural, so it does not typically change in form when referring to multiple members of the species.

The singular form of the word "Richmondena Cardinalis" is "Richmondena Cardinalis" itself. This is the scientific name for the Northern Cardinal, a species of bird.