moxa stick vs moxa roll

moxa stick and moxa roll both are nouns.

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

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

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

Other synonyms of moxa stick include stick moxa.

moxa stick (noun)	moxa roll (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.