Answer:

gnarl

Answer	Crossword Clue
GNARL	Bump on a tree
GNARL	Tree knot
GNARL	Get all twisty

GNARL	Knot in a tree
GNARL	Knot on a tree
GNARL	Tangle
GNARL	Twist or tangle
GNARL	Contort
GNARL	Twist into knots
GNARL	Twist
GNARL	Twist out of shape

GNARL	Bend out of shape
GNARL	Knotty protuberance
GNARL	Twist into a knot
GNARL	Tree protuberance
GNARL	Apt rhyme for "snarl"
GNARL	Distort
GNARL	Knotty tree protuberance
GNARL	Twist.

GNARL	Contort.
GNARL	Grow knotty and twisted.
GNARL	Tree knot.
GNARL	Knot in a tree.
GNARL	Knot in wood.
GNARL	Tree protuberance.
GNARL	Knot on a tree trunk.
GNARL	Knot in a tree trunk.

GNARL	Knot.
GNARL	Tangle.
GNARL	Wood knot.
GNARL	Knot in wood
GNARL	Knot
GNARL	Contort; distort
GNARL	Tree lump
GNARL	Twist badly

GNARL	Growl
GNARL	Become knotty
GNARL	Make twisted
GNARL	Make twisty
GNARL	Twisty tree feature

Crossword

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