1. Not attributable
   - unattributable

See also: ascription, attribution

• bilateral descent
• bilateral symmetry
• bilateralism
• bilaterality
• bilaterally
• bilaterally symmetric
• bilaterally symmetrical
• bilberry
• bilbo
• bilby
• bildungsroman
• bile
• bile acid
• bile duct
• bile salt
• bilestone
• bilge
• bilge keel
• bilge pump
• bilge well
• bilges
• bilgewater
• bilgy
• bilharzia
• bilharziasis