public house vs taphouse

public house and taphouse both are nouns.

Word	Noun	Adjective	Verb	Adverb
public house	Yes	No	No	No
taphouse	Yes	No	No	No

As nouns, public house and taphouse are synonyms defined as:

public house and taphouse: tavern consisting of a building with a bar and public rooms; often provides light meals

Other synonyms of public house include gin mill, pothouse, pub, saloon.

public house (noun)	taphouse (noun)
tavern consisting of a building with a bar and public rooms; often provides light meals	tavern consisting of a building with a bar and public rooms; often provides light meals