Crossword Clue:

Like an old oak tree

Answer	Crossword Clue
GNARLED	Like an old oak tree
GNARLS	Twists, like an old oak.
GNARLY	Like an old tree trunk

CORK	Bark of an oak tree.
ACORN	Castoff from an oak tree
ACORN	It drops from an oak tree
AXE	Paul Bunyan's had an oak-tree handle
AXE	Paul Bunyan's had an oak tree for a handle