calcareous vs chalky

calcareous and chalky both are adjectives.

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

As adjectives, calcareous and chalky are synonyms defined as:

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

calcareous (adjective)	chalky (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