toilet soap vs bath soap

toilet soap and bath soap both are nouns.

Word	Noun	Adjective	Verb	Adverb
toilet soap	Yes	No	No	No
bath soap	Yes	No	No	No

As nouns, toilet soap and bath soap are synonyms defined as:

Other synonyms of toilet soap include face soap.

toilet soap (noun)	bath soap (noun)
soap used as a toiletry	soap used as a toiletry