• asuza,
• cauza,
• lyakoura,
• mukuna,
• yakuma,
• Vakuna,
• Yakara,
• yacksha,
• takuza,
• gakuza,
• hakuza,
• uakuza,
• 7akuza,
• 6akuza,
• yzkuza,
• yakuzza,
• Makuna,
• yahyaa,
• okkuda,
• Yahgaa

• Yasuko.

The adjective form of the word "yakuza" is "yakuzaic" or "yakuza-like".

The plural form of the word "yakuza" is also "yakuza." This term is already plural and does not change when referring to multiple members or groups.

The singular form of the word "yakuza" is "yakuza". The term "yakuza" is both the plural and singular form of the word in Japanese. Therefore, it remains the same regardless of whether it is referring to one member of the Yakuza organization or multiple members.