Hercules'-club vs devil's walking stick

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

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

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

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

Other synonyms of Hercules'-club include American angelica tree, Aralia spinosa.

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