soil vs ground

soil and ground both are nouns.

Word	Noun	Adjective	Verb	Adverb
soil	Yes	No	Yes	No
ground	Yes	No	Yes	No

As nouns, soil and ground are synonyms defined as:

soil and ground: material in the top layer of the surface of the earth in which plants can grow (especially with reference to its quality or use)

Other synonyms of soil include land.

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

soil: the part of the earth's surface consisting of humus and disintegrated rock
ground: the loose soft material that makes up a large part of the land surface

Other hypernyms of soil include earth.

soil (noun)	ground (noun)
the geographical area under the jurisdiction of a sovereign state	the first or preliminary coat of paint or size applied to a surface
material in the top layer of the surface of the earth in which plants can grow (especially with reference to its quality or use)	(art) the surface (as a wall or canvas) prepared to take the paint for a painting
anything regarded as making something unclean	a connection between an electrical device and a large conducting body, such as the earth (which is taken to be at zero voltage)
the part of the earth's surface consisting of humus and disintegrated rock	the part of a scene (or picture) that lies behind objects in the foreground
	a relatively homogeneous percept extending back of the figure on which attention is focused
	a position to be won or defended in battle (or as if in battle)
	a rational motive for a belief or action
	the solid part of the earth's surface
	material in the top layer of the surface of the earth in which plants can grow (especially with reference to its quality or use)
	a relation that provides the foundation for something
	the loose soft material that makes up a large part of the land surface

soil (verb)	ground (verb)
make soiled, filthy, or dirty	use as a basis for; found on
	instruct someone in the fundamentals of a subject
	place or put on the ground
	confine or restrict to the ground
	connect to a ground
	cover with a primer; apply a primer to
	fix firmly and stably
	(baseball) a hit that travels along the playing field.
	throw to the ground in order to stop play and avoid being tackled behind the line of scrimmage
	hit or reach the ground
	bring to the ground