Answer:

surges

Answer	Crossword Clue
SURGES	Billows
SURGES	Voltage spikes
SURGES	Sudden increases

SURGES	Swells
SURGES	Strong swells
SURGES	Has momentum
SURGES	Heaves.
SURGES	Seas.
SURGES	Electrical phenomena
SURGES	Wells forth
SURGES	Increases suddenly

SURGES	Sudden upswings
SURGES	Quick bursts

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.