• spirall,
• speals,
• sprall,
• spiris,
• spirials,
• perals,
• spcials,
• sprials,
• spirils,
• sprads,
• squirals,
• spicals,
• spiril,
• spirel,
• speicals,
• spirlas,
• spirral,
• spirial,
• parals,
• spirls

• spirilla,
• sprawl,
• sproles,
• spirula,
• spiral,
• spurlin,
• spirillum,
• sprowl,
• spiraling,
• Sperling,
• sparling,
• Spruell,
• spirally,
• sproull,
• Spruill,
• sparely,
• sproul,
• sporulate,
• Spurling,
• Spurlock.

The adjective form of the word "spirals" is "spiral".