centillion /sen-tilˈyən/

1. In UK and Germany, the hundredth power of a million, ie 1 followed by 600 zeros
2. In N America and France, the hundred-and-first power of a thousand, ie 1 followed by 303 zeros

• sickle-cell trait
• sickled
• sickle feather
• sickle feathers
• sickleman
• sicklemen
• sicklemia
• speak the same language
• speak to
• speak to the heart
• speak up
• speak volumes
• speal
• speals
• spean
• speaned
• speaning
• speans
• spear
• spear carrier
• spear carriers
• speared
• spearfish
• spearfishes
• spear grass