moxa roll vs moxa stick

moxa roll and moxa stick both are nouns.

Word	Noun	Adjective	Verb	Adverb
moxa roll	Yes	No	No	No
moxa stick	Yes	No	No	No

As nouns, moxa roll and moxa stick are synonyms defined as:

moxa roll and moxa stick: a stick made of dried leaves of an Asian species of mugwort, used in moxibustion.

Other synonyms of moxa roll include stick moxa.

moxa roll (noun)	moxa stick (noun)
a stick made of dried leaves of an Asian species of mugwort, used in moxibustion.	a stick made of dried leaves of an Asian species of mugwort, used in moxibustion.