come vs land

come and land both are nouns.

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

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

come (noun)	land (noun)
the thick white fluid containing spermatozoa that is ejaculated by the male genital tract	agriculture considered as an occupation or way of life
	a politically organized body of people under a single government
	the people who live in a nation or country
	territory over which rule or control is exercised
	the territory occupied by a nation
	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)
	extensive landed property (especially in the country) retained by the owner for his own use
	the land on which real estate is located
	a domain in which something is dominant

come (verb)	land (verb)
come to pass; arrive, as in due course	bring into a different state
be found or available	reach or come to rest
reach or enter a state, relation, condition, use, or position	cause to come to the ground
happen as a result	arrive on shore
have a certain priority	bring ashore
come to one's mind; suggest itself	shoot at and force to come down
move toward, travel toward something or somebody or approach something or somebody	deliver (a blow)
be received
cover a certain distance
reach a destination; arrive by movement or progress
experience orgasm
come under, be classified or included
proceed or get along
extend or reach
to be the product or result
exist or occur in a certain point in a series
be a native of
to measure up to in kind or quality
add up in number or quantity
come forth
come from; be connected by a relationship of blood, for example