humate vs peat

humate and peat both are nouns.

Word	Noun	Adjective	Verb	Adverb
humate	Yes	No	No	No
peat	Yes	No	No	No

As nouns, peat is a hyponym of humate; that is, peat is a word with a more specific, narrower meaning than humate:

humate: material that is high in humic acids
peat: partially carbonized vegetable matter saturated with water; can be used as a fuel when dried

Other hyponyms of humate include brown coal, lignite, wood coal, humic shale.

humate (noun)	peat (noun)
material that is high in humic acids	partially carbonized vegetable matter saturated with water; can be used as a fuel when dried