indurated clay vs soil

indurated clay and soil both are nouns.

Word	Noun	Adjective	Verb	Adverb
indurated clay	Yes	No	No	No
soil	Yes	No	Yes	No

As nouns, soil is a hypernym of indurated clay; that is, soil is a word with a broader meaning than indurated clay:

indurated clay: hardened clay
soil: the part of the earth's surface consisting of humus and disintegrated rock

Other hypernyms of indurated clay include dirt.

indurated clay (noun)	soil (noun)
hardened clay	the geographical area under the jurisdiction of a sovereign state
	material in the top layer of the surface of the earth in which plants can grow (especially with reference to its quality or use)
	anything regarded as making something unclean
	the part of the earth's surface consisting of humus and disintegrated rock

indurated clay (verb)	soil (verb)
	make soiled, filthy, or dirty