• sicka,
• sica,
• seika,
• sigka,
• sjka,
• soka,
• sija,
• sikz,
• suika,
• sijka,
• sioka,
• sikja,
• siika,
• sikza,
• sikaz,
• sikas,
• sikwa,
• syka,
• smka,
• si ka

• Siska,
• sise,
• SIGG,
• sieg,
• sizz,
• siss,
• sigh,
• SISK,
• sikh,
• SIAS,
• sis,
• SICA,
• size,
• six,
• sick,
• sieck,
• sic.

The adjective form of the word "sika" is "sika". In other words, the word is both a noun and an adjective. It refers to a species of deer native to East Asia.

The plural of the "sika" can be the "sikas".

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