nulla, nullah, nala, nalla or nallah /nulˈə/ (Ind)

1. A ravine
2. A watercourse
3. A stream or drain

• isagogics
• isallobar
• isallobars
• isapostolic
• isatin
• isatine
• isatines
• isatins
• Isatis
• I say
• ISBA
• ISBN
• ISC
• ischaemia
• ischaemias
• ischaemic
• leaf-nosed
• leaf roll
• leafs
• leaf-scar
• leaf-scars
• leaf-sheath
• leaf-sheaths
• leaf soil
• leaf spot