cudgel vs bastinado

cudgel and bastinado both are nouns.

Word	Noun	Adjective	Verb	Adverb
cudgel	Yes	No	Yes	No
bastinado	Yes	No	Yes	No

As nouns, bastinado is a hyponym of cudgel; that is, bastinado is a word with a more specific, narrower meaning than cudgel:

Other hyponyms of cudgel include shillalah, shillelagh.

cudgel (noun)	bastinado (noun)
a club that is used as a weapon	a form of torture in which the soles of the feet are beaten with whips or cudgels
	a cudgel used to give someone a beating on the soles of the feet

cudgel (verb)	bastinado (verb)
strike with a cudgel	beat somebody on the soles of the feet