gable roof vs saddleback

gable roof and saddleback both are nouns.

Word	Noun	Adjective	Verb	Adverb
gable roof	Yes	No	No	No
saddleback	Yes	No	No	No

As nouns, gable roof and saddleback are synonyms defined as:

gable roof and saddleback: a double sloping roof with a ridge and gables at each end

Other synonyms of gable roof include saddle roof, saddleback roof.

gable roof (noun)	saddleback (noun)
a double sloping roof with a ridge and gables at each end	a double sloping roof with a ridge and gables at each end
	a pass or ridge that slopes gently between two peaks (is shaped like a saddle)