recursive routine vs procedure

recursive routine and procedure both are nouns.

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

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

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

recursive routine (noun)	procedure (noun)
a routine that can call itself	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