Marsh (3)
'marsh' is the definition.
(a bog is a marshy area)
This is all the clue.
(Other definitions for bog that I've seen before include "convenience" , "Marsh" , "Wet spongy land" , "Fen" , "Wet spongy ground" .)
'marsh' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for fen that I've seen before include "Low-lying marshy area in England" , "Marshy area of land" , "Low marsh" , "One hundredth of a yuan" , "Marshland" .)
'marsh' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for swamp that I've seen before include "In flood" , "Boggy area" , "marshy tract" , "Mire" , "Overwhelm; wetland" .)
'marsh' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for morass that I've seen before include "Slough, bog" , "Bog or swamp" , "Mire, quagmire" , "Muddled situation" , "Bog - situation hard to get out of" .)