soil vs geographical area

soil and geographical area both are nouns.

Word	Noun	Adjective	Verb	Adverb
soil	Yes	No	Yes	No
geographical area	Yes	No	No	No

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

Other hypernyms of soil include geographic area, geographic region, geographical region.

soil (noun)	geographical area (noun)
the geographical area under the jurisdiction of a sovereign state	a demarcated area of the Earth
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

soil (verb)	geographical area (verb)
make soiled, filthy, or dirty