S: (n) surge (surge%1:04:00::), upsurge (upsurge%1:04:00::) (a sudden or abrupt strong increase) "stimulated a surge of speculation"; "an upsurge of emotion"; "an upsurge in violent crime"
S: (v) scend (scend%2:38:00::), surge (surge%2:38:04::) (rise or heave upward under the influence of a natural force such as a wave) "the boats surged"
S: (v) surge (surge%2:30:03::) (see one's performance improve) "He levelled the score and then surged ahead"