cover vs ridge

cover and ridge both are nouns.

Word	Noun	Adjective	Verb	Adverb
cover	Yes	No	Yes	No
ridge	Yes	No	Yes	No

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

Other hyponyms of cover include cross, span, sweep, traverse, sweep, overlap, overspread, spread, constellate, dot, stud.

cover (noun)	ridge (noun)
the act of concealing the existence of something by obstructing the view of it	a beam laid along the edge where two sloping sides of a roof meet at the top; provides an attachment for the upper ends of rafters
fire that makes it difficult for the enemy to fire on your own individuals or formations	any long raised border or margin of a bone or tooth or membrane
a false identity and background (especially one created for an undercover agent)	a long narrow natural elevation or striation
a recording of a song that was first recorded or made popular by somebody else	a long narrow range of hills
bedding that keeps a person warm in bed	a long narrow natural elevation on the floor of the ocean
a covering that serves to conceal or shelter something	any long raised strip
covering for a hole (especially a hole in the top of a container)
the protective covering on the front, back, and spine of a book
a natural object that covers or envelops
a fixed charge by a restaurant or nightclub over and above the charge for food and drink

cover (verb)	ridge (verb)
sit on (eggs)	form into a ridge
clothe, as if for protection from the elements	spade into alternate ridges and troughs
protect by insurance	throw soil toward (a crop row) from both sides
act on verbally or in some form of artistic expression	plough alternate strips by throwing the furrow onto an unploughed strip
be responsible for reporting the details of, as in journalism	extend in ridges
maintain a check on; especially by patrolling
protect or defend (a position in a game)
hold within range of an aimed firearm
play a higher card than the one previously played
be responsible for guarding an opponent in a game
provide with a covering or cause to be covered
form a cover over
copulate with a female, used especially of horses
cover as if with a shroud
put something on top of something else
travel across or pass over
hide from view or knowledge
spread over a surface to conceal or protect
be sufficient to meet, defray, or offset the charge or cost of
to take an action to protect against future problems
invest with a large or excessive amount of something
help out by taking someone's place and temporarily assuming his responsibilities
provide for
span an interval of distance, space or time
include in scope; include as part of something broader; have as one's sphere or territory
make up for shortcomings or a feeling of inferiority by exaggerating good qualities