• soubletree,
• xoubletree,
• coubletree,
• foubletree,
• roubletree,
• eoubletree,
• diubletree,
• dkubletree,
• dlubletree,
• dpubletree,
• d0ubletree,
• d9ubletree,
• doybletree,
• dohbletree,
• dojbletree,
• dubletree,
• doubletee,
• doubeltree,
• toubletree,
• TubleTree

• double-edged,
• double-dyed,
• doubleton,
• double take,
• double dipper,
• double date,
• double digit,
• double-team,
• double door,
• double-decker,
• double-dealer,
• Doubleday,
• doublethink,
• double time,
• Double Dutch,
• double tongue,
• double-date,
• double dye,
• doublet,
• doubleheader,
• double talk,
• doubled,
• double dagger.

The adjective form of the word "Doubletree" would be "Doubletree".

The plural of the "Doubletree" can be the "doubletrees".

The singular of the "Doubletree" can be the "Doubletree".