anastrophe vs rhetorical device

anastrophe and rhetorical device both are nouns.

Word	Noun	Adjective	Verb	Adverb
anastrophe	Yes	No	No	No
rhetorical device	Yes	No	No	No

As nouns, rhetorical device is a hypernym of anastrophe; that is, rhetorical device is a word with a broader meaning than anastrophe:

anastrophe: the reversal of the normal order of words
rhetorical device: a use of language that creates a literary effect (but often without regard for literal significance)

anastrophe (noun)	rhetorical device (noun)
the reversal of the normal order of words	a use of language that creates a literary effect (but often without regard for literal significance)