chalky vs calcareous

chalky and calcareous both are adjectives.

Word	Noun	Adjective	Verb	Adverb
chalky	No	Yes	No	No
calcareous	No	Yes	No	No

As adjectives, chalky and calcareous are synonyms defined as:

chalky and calcareous: composed of or containing or resembling calcium carbonate or calcite or chalk

chalky (adjective)	calcareous (adjective)
composed of or containing or resembling calcium carbonate or calcite or chalk	composed of or containing or resembling calcium carbonate or calcite or chalk
of something having the color of chalk