eau de cologne mint vs lemon mint

eau de cologne mint and lemon mint both are nouns.

Word	Noun	Adjective	Verb	Adverb
eau de cologne mint	Yes	No	No	No
lemon mint	Yes	No	No	No

As nouns, eau de cologne mint and lemon mint are synonyms defined as:

eau de cologne mint and lemon mint: mint with leaves having perfume like that of the bergamot orange

Other synonyms of eau de cologne mint include bergamot mint, Mentha citrata.

eau de cologne mint (noun)	lemon mint (noun)
mint with leaves having perfume like that of the bergamot orange	mint with leaves having perfume like that of the bergamot orange
	an annual horsemint of central and western United States and northern Mexico