quoin vs architecture

quoin and architecture both are nouns.

Word	Noun	Adjective	Verb	Adverb
quoin	Yes	No	No	No
architecture	Yes	No	No	No

quoin (noun)	architecture (noun)
(architecture) solid exterior angle of a building; especially one formed by a cornerstone	the profession of designing buildings and environments with consideration for their esthetic effect
the keystone of an arch	an architectural product or work
expandable metal or wooden wedge used by printers to lock up a form within a chase	(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