Answer:

bicker

Answer	Crossword Clue
BICKER	Squabble
BICKER	Argue
BICKER	Quarrel

BICKER	Have words
BICKER	Petty quarreling.
BICKER	Wrangle
BICKER	Trade cross words
BICKER	Engage in pettifoggery

Crossword

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