gable end vs gable wall

gable end and gable wall both are nouns.

Word	Noun	Adjective	Verb	Adverb
gable end	Yes	No	No	No
gable wall	Yes	No	No	No

As nouns, gable end and gable wall are synonyms defined as:

gable end and gable wall: the vertical triangular wall between the sloping ends of gable roof

Other synonyms of gable end include gable.

gable end (noun)	gable wall (noun)
the vertical triangular wall between the sloping ends of gable roof	the vertical triangular wall between the sloping ends of gable roof