devil's walking stick vs Hercules'-club

devil's walking stick and Hercules'-club both are nouns.

Word	Noun	Adjective	Verb	Adverb
devil's walking stick	Yes	No	No	No
Hercules'-club	Yes	No	No	No

As nouns, devil's walking stick and Hercules'-club are synonyms defined as:

devil's walking stick and Hercules'-club: small deciduous clump-forming tree or shrub of eastern United States

Other synonyms of devil's walking stick include American angelica tree, Aralia spinosa.

devil's walking stick (noun)	Hercules'-club (noun)
small deciduous clump-forming tree or shrub of eastern United States	densely spiny ornamental of southeastern United States and West Indies
	small deciduous clump-forming tree or shrub of eastern United States