architecture vs quoin

architecture and quoin both are nouns.

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

architecture (noun)	quoin (noun)
the profession of designing buildings and environments with consideration for their esthetic effect	(architecture) solid exterior angle of a building; especially one formed by a cornerstone
an architectural product or work	the keystone of an arch
(computer science) the structure and organization of a computer's hardware or system software	expandable metal or wooden wedge used by printers to lock up a form within a chase
the discipline dealing with the principles of design and construction and ornamentation of fine buildings