corbel step vs architecture

corbel step and architecture both are nouns.

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

corbel step (noun)	architecture (noun)
(architecture) a step on the top of a gable wall	the profession of designing buildings and environments with consideration for their esthetic effect
	an architectural product or work
	(computer science) the structure and organization of a computer's hardware or system software
	the discipline dealing with the principles of design and construction and ornamentation of fine buildings