engaged vs architecture

engaged is not a noun while architecture is a noun.

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

engaged (noun)	architecture (noun)
	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

engaged (adjective)	architecture (adjective)
built against or attached to a wall
having services contracted for
(used of toothed parts or gears) interlocked and interacting
involved in military hostilities
(of facilities such as telephones or lavatories) unavailable for use by anyone else or indicating unavailability; (`engaged' is a British term for a busy telephone line)
reserved in advance
having ones attention or mind or energy engaged
pledged to be married