Cases of word usage

1) a sudden upward movement off the ground by a person (leap)

2) a small hill; upward slope; an increase (in value, temperature etc); a progress (in development) (rise)

3) a forward or upward movement; (of feelings) sudden growth (surge)

4) an upward turn; an improvement (upturn)

5) (the low, deep humming sound of) the sudden upward flight of a plane (zoom)