tea trolley vs tea cart

tea trolley and tea cart both are nouns.

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

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

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

Other synonyms of tea trolley include tea wagon, teacart.

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