fissile /fisˈīl or -il/

1. Readily split
2. Capable of nuclear fission

fissility /-ilˈ/ noun

Ability to be split

• undividedness
• undividednesses
• undivine
• undivorced
• undivulged
• undo
• undock
• undocked
• undocking
• undocks
• undoctored
• undocumented
• undoer
• undoers
• undoes
• undoing
• undoings
• undomestic
• undomesticate
• undomesticated
• undomesticates
• undomesticating
• undone
• undoomed
• undouble