Land and region

5. a body of permeable rock which can contain or transmit groundwater.
7. a storm with a violent wind, in particular a tropical cyclone in the Caribbean.
9. the tidal mouth of a large river, where the tide meets the stream
10. a mobile, destructive vortex of violently rotating winds having the appearance of a funnel-shaped cloud and advancing beneath a large storm system
11. to fill with or as if with water : inundate, submerge. b : to overwhelm numerically or by an excess of something : flood swamped with work. 2 : to open by removing underbrush and debris.
14. the action or fact of elevating or being elevated
15. line the route leading straight down any particular part of a slope.
16. the state of the atmosphere at a place and time as regards heat, dryness, sunshine, wind, rain, etc
17. the weather conditions prevailing in an area in general or over a long period.

1. a prolonged period of abnormally low rainfall, leading to a shortage of water
2. an area or division, especially part of a country or the world having definable characteristics but not always fixed boundaries
3. island a fence or other obstacle that prevents movement or access.
4. an area of low-lying land which is flooded in wet seasons or at high tide, and typically remains waterlogged at all times
6. land consisting of marshes or swamps; saturated land
8. the process of eroding or being eroded by wind, water, or other natural agents.
12. the action or process of precipitating a substance from a solution
13. an unattractive or unsatisfactory feature, especially in a piece of work or in a person's character