Ocean, lake

Words referring to bodies of standing water.

• What words refer to bodies of standing water of different sizes?
  ocean sea lake pond pool puddle wallow
• What words refer to a man-made lake?
  reservoir man-made lake catchment area
• What are the parts of bodies of water?
  surface bottom abyssal depths abyssal plain thermal layer seamount continental shelf shallows the depths the deep open sea
• What words refer to the study of the ocean?
  oceanography