humid
soppy
moist humid
heavy
Heavy - or - dense
toper
Grave, stern, sober, heavy, major, vital, acute.
The word you are looking for is chara.It's five letters, ending in A.Chara is an algae which forms in freshwater lakes in limestone-heavy environments.
moist soggy
The word could be moist.
A five letter word for bravery is valor.
A five letter word for a game is "match."
Scarf is a five letter word for muffler.