Answer:

westie

Answer	Crossword Clue
WESTIE	White terrier, informally
WESTIE	Scottie's relative
WESTIE	White terrier, for short

WESTIE	White terrier, familiarly
WESTIE	Certain terrier, informally
WESTIE	White terrier's nickname

Crossword

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