tea parlour vs teashop

tea parlour and teashop both are nouns.

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

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

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

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

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