reusable routine vs procedure

reusable routine and procedure both are nouns.

Word	Noun	Adjective	Verb	Adverb
reusable routine	Yes	No	No	No
procedure	Yes	No	No	No

As nouns, procedure is a hypernym of reusable routine; that is, procedure is a word with a broader meaning than reusable routine:

Other hypernyms of reusable routine include function, routine, subprogram, subroutine.

reusable routine (noun)	procedure (noun)
a routine that can be loaded once and executed repeatedly	a particular course of action intended to achieve a result
	a mode of conducting legal and parliamentary proceedings
	a process or series of acts especially of a practical or mechanical nature involved in a particular form of work
	a set sequence of steps, part of larger computer program