Mexican tea vs Spanish tea

Mexican tea and Spanish tea both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mexican tea	Yes	No	No	No
Spanish tea	Yes	No	No	No

As nouns, Mexican tea and Spanish tea are synonyms defined as:

Other synonyms of Mexican tea include American wormseed, Chenopodium ambrosioides, wormseed.

Mexican tea (noun)	Spanish tea (noun)
rank-smelling tropical American pigweed	rank-smelling tropical American pigweed
Eurasian aromatic oak-leaved goosefoot with many yellow-green flowers; naturalized North America