Japanese allspice vs Japan allspice

Japanese allspice and Japan allspice both are nouns.

Word	Noun	Adjective	Verb	Adverb
Japanese allspice	Yes	No	No	No
Japan allspice	Yes	No	No	No

As nouns, Japanese allspice and Japan allspice are synonyms defined as:

Japanese allspice and Japan allspice: deciduous Japanese shrub cultivated for its fragrant yellow flowers

Other synonyms of Japanese allspice include Chimonanthus praecox, winter sweet.

Japanese allspice (noun)	Japan allspice (noun)
deciduous Japanese shrub cultivated for its fragrant yellow flowers	deciduous Japanese shrub cultivated for its fragrant yellow flowers