Answer:

KNIFES

Answer	Crossword Clue
KNIFES	Moves, as through heavy seas
KNIFES	Betrays
KNIFES	Cuts

KNIFES	Stabs
KNIFES	Stabs.
KNIFES	Slices.
KNIFES	Slashes
KNIFES	Double-crosses
KNIFES	Stabs or slashes
KNIFES	Slices easily (through)

Crossword

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