land vs ground

land and ground both are nouns.

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

As nouns, land and ground are synonyms defined as:

Other synonyms of land include dry land, earth, solid ground, terra firma.

As nouns, land and ground are synonyms defined as:

land 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 land include soil.

As verbs, ground is a hyponym of land; that is, ground is a word with a more specific, narrower meaning than land:

Other hyponyms of land include run aground, strand, strand.

land (noun)	ground (noun)
agriculture considered as an occupation or way of life	the first or preliminary coat of paint or size applied to a surface
a politically organized body of people under a single government	(art) the surface (as a wall or canvas) prepared to take the paint for a painting
the people who live in a nation or country	a connection between an electrical device and a large conducting body, such as the earth (which is taken to be at zero voltage)
territory over which rule or control is exercised	the part of a scene (or picture) that lies behind objects in the foreground
the territory occupied by a nation	a relatively homogeneous percept extending back of the figure on which attention is focused
the solid part of the earth's surface	a position to be won or defended in battle (or as if in battle)
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 rational motive for a belief or action
extensive landed property (especially in the country) retained by the owner for his own use	the solid part of the earth's surface
the land on which real estate is located	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 domain in which something is dominant	a relation that provides the foundation for something
	the loose soft material that makes up a large part of the land surface

land (verb)	ground (verb)
bring into a different state	use as a basis for; found on
reach or come to rest	instruct someone in the fundamentals of a subject
cause to come to the ground	place or put on the ground
arrive on shore	confine or restrict to the ground
bring ashore	connect to a ground
shoot at and force to come down	cover with a primer; apply a primer to
deliver (a blow)	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