Surge

aallokko

((nautical) swell of the sea)

aalto

(sudden transient rush or flood)

jännitepiikki

((electricity) electrical spike)

maininki

((nautical) swell of the sea)

pumppaus

((aviation) a momentary reversal of the airflow)

ryntäys

((aviation) a momentary reversal of the airflow)

paisua

(to rush, flood, or increase suddenly)

rynnätä

(to accelerate forwards, particularly suddenly)