| LAKEOFTHE | Lake S.E. of Winnipeg, Canada, fed chiefly by the Rainy River (4,2,3) |
| WOODS | Lake S.E. of Winnipeg, Canada, fed chiefly by the Rainy River (5) |
| EMO | Township near the Rainy River in Ontario |
| IVO | St Ives Lakes S-acre pike lake - in Tivoli! (3) |
| SEAOFAZOV | Arm of the Black Sea fed chiefly by the River Don (3,2,4) |
| AZOV | The Sea of ... is a shallow arm of the Black Sea fed chiefly by the River Don (4) |
| LAKECHAD | Body of water in Africa fed chiefly by the Shari River |
| OESTROGEN | Steroid hormone secreted chiefly by the ovaries and placenta |
| BILLABONG | Pool of water in the bed of a stream that flows only in the rainy season (9) |
| MONSOONAL | A day early, put up note of the rainy season (9) |
| FLYBYWIRE | Electric signalling system chiefly by wired channels (3-2-4) |
| CELLULASE | Enzyme produced chiefly by fungi, bacteria and protozoans (9) |
| LUCERNE | Lake in Switzerland fed and drained chiefly by the River Reuss (7) |
| LAKELUCERNE | Body of water in central Switzerland, fed and drained chiefly by the Reuss river (4,7) |
| EIGG | Scottish island of the Inner Hebrides S.E. of Rhum (4) |
| LANARK | Royal burgh in the Clyde valley, Scotland, S.E. of Glasgow (6) |
| GARYIN | City about 25 miles S.E. of Chicago, IL. |
| STEW | To be oppressed by the humidity now the rainy season's coming up (4) |
| PLUVIOSE | Fifth month of the French revolutionary calendar: the rainy month (8) |
| CHUBASCO | Violent thunder and lightning storm during the rainy season along the coasts of Mexico, Central and South America (8) |