saddleback vs saddle roof

saddleback and saddle roof both are nouns.

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

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

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

Other synonyms of saddleback include gable roof, saddleback roof.

saddleback (noun)	saddle roof (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)