Device and Stiffener

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

Stiffener and device are semantically related In some cases you can use "Stiffener" instead a noun "Device".

Stiffener noun - Material used for stiffening something.

Device and stiffener are semantically related in something that holds up structure topic. Sometimes you can use "Device" instead a noun "Stiffener".