tea cart vs tea wagon

tea cart and tea wagon both are nouns.

Word	Noun	Adjective	Verb	Adverb
tea cart	Yes	No	No	No
tea wagon	Yes	No	No	No

As nouns, tea cart and tea wagon are synonyms defined as:

tea cart and tea wagon: serving cart for serving tea or light refreshments

Other synonyms of tea cart include tea trolley, teacart.

tea cart (noun)	tea wagon (noun)
serving cart for serving tea or light refreshments	serving cart for serving tea or light refreshments