cavern

As nouns the difference between chamber and cavern

is that chamber is a room, especially one used primarily for sleeping; bedroom, sleeping room while cavern is a large cave.

As a verb chamber

is to enclose in a room.

As nouns the difference between underground and cavern

is that underground is (chiefly|british) an underground railway while cavern is a large cave.

As a adjective underground

is (label) below the ground; below the surface of the earth.

As a adverb underground

is below the ground.

As a verb underground

is to route electricity distribution cables underground.

As nouns the difference between cave and cavern

is that cave is a large, naturally-occurring cavity formed underground, or in the face of a cliff or a hillside while cavern is a large cave.

As a verb cave

is to surrender.

As a interjection cave

is (british|public school slang) look out!; beware!.

As a noun cavern

is a large cave.

As a adjective cavernous is

resembling a cavern; vast.

As nouns the difference between cavern and cove

is that cavern is a large cave while cove is or cove can be (british) a fellow; a man.

As a verb cove is

(architecture) to arch over; to build in a hollow concave form; to make in the form of a cove or cove can be to brood, cover, over, or sit over, as birds their eggs.

As nouns the difference between cavern and spelunk

is that cavern is a large cave while spelunk is (obsolete) a cave, cavern or grotto.

As a verb spelunk is

to explore caves.

As nouns the difference between cavern and interior

is that cavern is a large cave while interior is the inside of a building, container, cavern, or other enclosed structure.

As a adjective interior is

within any limits, enclosure, or substance; inside; internal; inner.

As nouns the difference between cat and cavern

is that cat is a domesticated subspecies, felis silvestris catus , of feline animal, commonly kept as a house pet {{defdate|from 8th c}} or cat can be a catamaran or cat can be {{context|computing|lang=en}} a ‘catenate’ program and command in unix that reads one or more files and directs their content to an output device or cat can be {{non-gloss definition|a street name of the drug methcathinone}} or cat can be {{context|military|naval|lang=en}} a catapult while cavern is a large cave.

As a verb cat

is {{context|nautical|lang=en}} to hoist (the anchor) by its ring so that it hangs at the cathead or cat can be {{context|transitive|computing|lang=en}} to apply the cat command to (one or more files).

As a adjective cat

is {{context|ireland|informal|lang=en}} terrible, disastrous.