rooftree vs ridgepole

rooftree and ridgepole both are nouns.

Word	Noun	Adjective	Verb	Adverb
rooftree	Yes	No	No	No
ridgepole	Yes	No	No	No

As nouns, rooftree and ridgepole are synonyms defined as:

rooftree and ridgepole: a beam laid along the edge where two sloping sides of a roof meet at the top; provides an attachment for the upper ends of rafters

Other synonyms of rooftree include ridge.

rooftree (noun)	ridgepole (noun)
a beam laid along the edge where two sloping sides of a roof meet at the top; provides an attachment for the upper ends of rafters	a beam laid along the edge where two sloping sides of a roof meet at the top; provides an attachment for the upper ends of rafters