paralipsis vs rhetorical device

paralipsis and rhetorical device both are nouns.

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

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

paralipsis: suggesting by deliberately concise treatment that much of significance is omitted
rhetorical device: a use of language that creates a literary effect (but often without regard for literal significance)

paralipsis (noun)	rhetorical device (noun)
suggesting by deliberately concise treatment that much of significance is omitted	a use of language that creates a literary effect (but often without regard for literal significance)