1. waterfall
2. body of water, water, fall
3. autumn, season, time of year, spill
4. tumble, fall, slip, trip, Fall
5. event, descent
6. declivity, fall, decline, declination, declension, downslope, slope, incline, side, fall
7. sin, sinning, fall
8. downfall, weakening, fall
9. change of location, travel, capitulation
10. fall, surrender, loss, twilight
11. dusk, gloaming, nightfall, evenfall, fall, crepuscule, crepuscle, hour, time of day, fall
12. pin, victory, triumph, drop
13. fall, descent, gravitation, drop
13. dip, fall, free fall, decrease, decrement