• spicilum,
• apirillum,
• zpirillum,
• xpirillum,
• dpirillum,
• epirillum,
• wpirillum,
• soirillum,
• spirilum,
• spiriillum,
• sigillum,
• sporidum,
• specyllum,
• supercillum,
• spiracelum,
• spiritlke,
• Spirilaty,
• Spesillim,
• spikilum,
• spiccalum

• spirillaceae,
• sparely,
• spirula,
• spurlin,
• Spruell,
• sproles,
• sproull,
• sproul,
• spiral,
• spirilla,
• Spruill,
• sprowl,
• sprawl.

The adjective form of the word "spirillum" is "spirillary".

The plural of the "spirillum" can be the "spirilla".

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