undecagon /un-dekˈə-gon/

A plane figure of eleven angles and sides

• obsignatory
• obsigned
• obsigning
• obsigns
• obsolesce
• obsolesced
• obsolescence
• obsolescences
• obsolescent
• obsolesces
• obsolescing
• obsolete
• obsoleted
• obsoletely
• obsoleteness
• obsoletenesses
• obsoletes
• obsoleting
• obsoletion
• obsoletions
• obsoletism
• obsoletisms
• obstacle
• obstacle race
• obstacle races