soapstone vs soap-rock

soapstone and soap-rock both are nouns.

Word	Noun	Adjective	Verb	Adverb
soapstone	Yes	No	No	No
soap-rock	Yes	No	No	No

As nouns, soapstone and soap-rock are synonyms defined as:

soapstone and soap-rock: a soft heavy compact variety of talc having a soapy feel; used to make hearths and tabletops and ornaments

Other synonyms of soapstone include soaprock, steatite.

soapstone (noun)	soap-rock (noun)
a soft heavy compact variety of talc having a soapy feel; used to make hearths and tabletops and ornaments	a soft heavy compact variety of talc having a soapy feel; used to make hearths and tabletops and ornaments