tea parlor vs tea parlour

tea parlor and tea parlour both are nouns.

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

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

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

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

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