Answer: subsides

AnswerCrossword Clue
SUBSIDESEbbs
SUBSIDESSettles.
SUBSIDESFalls off
SUBSIDESGoes down
subsidesSUBSIDE, to sink to a lower or normal level
subsides(of the ground) Cave in; sink
subsidesBecome less intense, violent, or severe
subsides(of a swelling) Reduce until gone
subsidesLapse into silence or inactivity
subsides(of water) Go down to a lower or the normal level