undecagon /un-dekˈə-gon/

A plane figure of eleven angles and sides

• interfrontal
• interfuse
• interfused
• interfuses
• interfusing
• interfusion
• interfusions
• intergalactic
• intergalactically
• intergenerational
• interglacial
• interglacials
• Interglossa
• intergradation
• intergradations
• intergrade
• intergraded
• intergrades
• intergrading
• intergrew
• intergrow
• intergrowing
• intergrown
• intergrows
• intergrowth