tea parlour vs tearoom

tea parlour and tearoom both are nouns.

Word	Noun	Adjective	Verb	Adverb
tea parlour	Yes	No	No	No
tearoom	Yes	No	No	No

As nouns, tea parlour and tearoom are synonyms defined as:

tea parlour and tearoom: a restaurant where tea and light meals are available

Other synonyms of tea parlour include tea parlor, teahouse, teashop.

tea parlour (noun)	tearoom (noun)
a restaurant where tea and light meals are available	a restaurant where tea and light meals are available