corbel step vs crow step

corbel step and crow step both are nouns.

Word	Noun	Adjective	Verb	Adverb
corbel step	Yes	No	No	No
crow step	Yes	No	No	No

As nouns, corbel step and crow step are synonyms defined as:

corbel step and crow step: (architecture) a step on the top of a gable wall

Other synonyms of corbel step include corbie-step, corbiestep.

corbel step (noun)	crow step (noun)
(architecture) a step on the top of a gable wall	(architecture) a step on the top of a gable wall