dolina /dō-lēˈnə/ or doline /dō-lēnˈ/ (geology)

A swallow hole

• orangiest
• orangish
• Orangism
• orang-outang
• orang-outangs
• orangs
• orang-utan
• orang-utans
• orant
• orants
• ora pro nobis
• oraria
• orarian
• orarians
• orarion
• orarions
• orarium
• orariums
• orate
• orated
• orates
• orating
• oration
• orations
• orator