routine vs ordinary

routine and ordinary both are nouns.

Word	Noun	Adjective	Verb	Adverb
routine	Yes	Yes	No	No
ordinary	Yes	Yes	No	No

routine (noun)	ordinary (noun)
an unvarying or habitual method or procedure	(heraldry) any of several conventional figures used on shields
a set sequence of steps, part of larger computer program	an early bicycle with a very large front wheel and small back wheel
a short performance that is part of a longer program	a clergyman appointed to prepare condemned prisoners for death
	a judge of a probate court
	the expected or commonplace condition or situation

routine (adjective)	ordinary (adjective)
found in the ordinary course of events	not exceptional in any way especially in quality or ability or size or degree
	lacking special distinction, rank, or status; commonly encountered