peat moss vs bog moss

peat moss and bog moss both are nouns.

Word	Noun	Adjective	Verb	Adverb
peat moss	Yes	No	No	No
bog moss	Yes	No	No	No

As nouns, peat moss and bog moss are synonyms defined as:

peat moss and bog moss: any of various pale or ashy mosses of the genus Sphagnum whose decomposed remains form peat

Other synonyms of peat moss include sphagnum, sphagnum moss.

peat moss (noun)	bog moss (noun)
any of various pale or ashy mosses of the genus Sphagnum whose decomposed remains form peat	any of various pale or ashy mosses of the genus Sphagnum whose decomposed remains form peat