"tree" - key terms from Wikipedia

apple tree
banyan tree
big tree
binary search tree
binary tree
characters of one tree	hill
christmas tree
decision tree
deku tree
family tree
fault tree
fault tree	analysis
fig tree
fruit tree
great deku tree
green tree	frog
happy tree	friends
joshua tree
lime tree
linden tree
mana tree
maple tree
minimum spanning tree
oak tree
olive tree
one tree	hill
one tree	hill episode
phylogenetic tree
porcupine tree
rubber tree
search tree
spanning tree
spanning tree	protocol
tea tree	oil
tree
tree	frogs
tree	grows in brooklyn
tree	hill
tree	house
tree	line
tree	of knowledge
tree	of knowledge of good
tree	of life
tree	species
tree	viper
tree	weta
tulip tree
under the cork tree
world tree
yew tree