mattamore /ma-tə-mōrˈ, -mörˈ or matˈə-/

A subterranean chamber

• undersheriffs
• undershirt
• undershirts
• undershoot
• undershooting
• undershoots
• undershorts
• undershot
• undershrub
• undershrubs
• underside
• undersides
• undersign
• undersigned
• undersigning
• undersigns
• undersized
• underskies
• underskinker
• underskinkers
• underskirt
• underskirts
• undersky
• undersleeve
• undersleeves