Cases of word usage

1) a slow, gentle, rate of walking (amble)

2) frequent occurrence; a rate of occurrence; number of repetitions (in a given time) (frequency)

3) the state of being mortal; (the rate of) deaths caused by a disaster, disease etc) (mortality)

4) a rate of moving; fast movement; to move along, go fast; to increase the rate of something (speed)

5) the rate of movement or activity; the speed at which music is (to be) played (tempo)