twibill /twīˈbil/

A double-headed axe

• collaborated
• collaborates
• collaborating
• collaboration
• collaborationism
• collaborationist
• collaborationists
• collaborations
• collaborative
• collaboratively
• collaborator
• collaborators
• collage
• collagen
• collagenase
• collagenases
• collagenic
• collagenous
• collagens
• collages
• collagist
• collagists
• collapsabilities
• collapsability
• collapsable