to fall down; to drop; to be omitted; to be missing; to decrease; to sink; to fail (e.g. exam or class)
to calm down; to compose oneself; to calm down; to settle down; to settle down (in a location, job, etc.); to settle in; to be settled
to drop; to lose; to clean off (dirt, makeup, paint, etc.); to remove (e.g. stains or facial hair); to lose (a match); to reject (an applicant); to lower (e.g. shoulders or voice)