architectural ornament vs architecture

architectural ornament and architecture both are nouns.

Word	Noun	Adjective	Verb	Adverb
architectural ornament	Yes	No	No	No
architecture	Yes	No	No	No

architectural ornament (noun)	architecture (noun)
(architecture) something added to a building to improve its appearance	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