fetich vs devotion

fetich and devotion both are nouns.

Word	Noun	Adjective	Verb	Adverb
fetich	Yes	No	No	No
devotion	Yes	No	No	No

As nouns, devotion is a hypernym of fetich; that is, devotion is a word with a broader meaning than fetich:

fetich (noun)	devotion (noun)
excessive or irrational devotion to some activity	(usually plural) religious observance or prayers (usually spoken silently)
a charm superstitiously believed to embody magical powers	commitment to some purpose
	religious zeal; the willingness to serve God
	feelings of ardent love