Device and Rhetorical device

Device noun - A clever often underhanded means to achieve an end.

Rhetorical device and device are semantically related. In some cases you can replace phrase "Rhetorical device" with "Device", this terms are similar.

Rhetorical device noun - A use of language that creates a literary effect (but often without regard for literal significance).

Device and rhetorical device are semantically related. You can use "Device" instead a noun phrase "Rhetorical device".