One instance each of treetop, tree top and tree-top were retained.
The Monkey, who is the most imitative of animals, descended from the treetop and endeavored to do as they had done.
Had he heard that close whine and distant howl before he fairly reached the open he would have sought a treetop for refuge.
I believe that I can reach the shore by climbing from one treetop to another.
From the treetop come the sweet songs of the oriole and robin.
