tearoom vs tea parlor

tearoom and tea parlor both are nouns.

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

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

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

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

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