corbel step vs corbiestep

corbel step and corbiestep both are nouns.

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

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

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

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

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