tree vs channelise

tree is a noun but channelise is not a noun.

As verbs, channelise is a hypernym of tree; that is, channelise is a word with a broader meaning than tree:

tree: force a person or an animal into a position from which he cannot escape
channelise: direct the course; determine the direction of travelling

Other hypernyms of tree include direct, head, maneuver, manoeuver, manoeuvre, point, guide, steer, channelize.

tree (noun)	channelise (noun)
a tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms
a figure that branches from a single root

tree (verb)	channelise (verb)
force a person or an animal into a position from which he cannot escape	direct the course; determine the direction of travelling
plant with trees	make a channel for; provide with a channel
chase an animal up a tree	send from one person or place to another
stretch (a shoe) on a shoetree	cause to form a channel