• risin,
• rician,
• eicin,
• dicin,
• ficin,
• ticin,
• 5icin,
• 4icin,
• rucin,
• rjcin,
• rkcin,
• rocin,
• r9cin,
• r8cin,
• rixin,
• sicin,
• rycin,
• ricinne,
• rycen,
• Riceen

• riggan,
• risen,
• rigney,
• ricken,
• riggin,
• rison,
• rich in.

The adjective form of the word "ricin" is "ricinous".

The plural of the "ricin" can be the "ricins".

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