kieselguhr vs diatomaceous earth

kieselguhr and diatomaceous earth both are nouns.

Word	Noun	Adjective	Verb	Adverb
kieselguhr	Yes	No	No	No
diatomaceous earth	Yes	No	No	No

As nouns, kieselguhr and diatomaceous earth are synonyms defined as:

kieselguhr and diatomaceous earth: a light soil consisting of siliceous diatom remains and often used as a filtering material

Other synonyms of kieselguhr include diatomite.

kieselguhr (noun)	diatomaceous earth (noun)
a light soil consisting of siliceous diatom remains and often used as a filtering material	a light soil consisting of siliceous diatom remains and often used as a filtering material