Primus stove vs Primus

Primus stove and Primus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Primus stove	Yes	No	No	No
Primus	Yes	No	No	No

As nouns, Primus stove and Primus are synonyms defined as:

Primus stove and Primus: a portable paraffin cooking stove; used by campers

Primus stove (noun)	Primus (noun)
a portable paraffin cooking stove; used by campers	a portable paraffin cooking stove; used by campers