Answer:

seismo

Answer	Crossword Clue
SEISMO	Earthquake: Prefix
SEISMO	Logic or graph starter
SEISMO	Prefix with scope

SEISMO	Earthquake prefix
SEISMO	Prefix meaning "earthquake"
SEISMO	Earthshaking prefix
SEISMO	It means "tremor"
SEISMO	"Quaky" starter
SEISMO	Earthquake: Comb. form.
SEISMO	Earthquake: Prefix.
SEISMO	Shaky start?

SEISMO	Prefix with -graph
SEISMO	Prefix with graph
SEISMO	Earth-shaking beginning?
SEISMO	Graph lead-in
SEISMO	Earthquake: prefix
SEISMO	Shaky beginning?

Crossword

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