tea parlor vs teashop

tea parlor and teashop both are nouns.

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

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

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

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

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