unslaked lime vs calx

unslaked lime and calx both are nouns.

Word	Noun	Adjective	Verb	Adverb
unslaked lime	Yes	No	No	No
calx	Yes	No	No	No

As nouns, unslaked lime and calx are synonyms defined as:

unslaked lime and calx: a white crystalline oxide used in the production of calcium hydroxide

Other synonyms of unslaked lime include burnt lime, calcined lime, calcium oxide, fluxing lime, lime, quicklime.

unslaked lime (noun)	calx (noun)
a white crystalline oxide used in the production of calcium hydroxide	a white crystalline oxide used in the production of calcium hydroxide