gable roof vs saddle roof

gable roof and saddle roof both are nouns.

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

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

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

Other synonyms of gable roof include saddleback, saddleback roof.

gable roof (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