The difference between Ditch and Junk

When used as nouns, ditch means a trench, whereas junk means discarded or waste material.

When used as verbs, ditch means to discard or abandon, whereas junk means to throw away.

check bellow for the other definitions of Ditch and Junk

Ditch as a noun:

A trench; a long, shallow indentation, as for irrigation or drainage.

Examples:

"Digging ditches has long been considered one of the most demanding forms of manual labor."

Ditch as a verb (transitive):

To discard or abandon.

Examples:

"Once the sun came out we ditched our rain-gear and started a campfire."
Ditch as a verb (intransitive):

To deliberately crash-land an airplane on water.

Examples:

"When the second engine failed, the pilot was forced to ditch; their last location was just south of the Azores."
Ditch as a verb (intransitive):

To deliberately not attend classes; to play hookey.

Examples:

"The truant officer caught Louise ditching with her friends, and her parents were forced to pay a fine."
Ditch as a verb (intransitive):

To dig ditches.

Examples:

"Enclosure led to fuller winter employment in hedging and ditching."
Ditch as a verb (transitive):

To dig ditches around.

Examples:

"The soldiers ditched the tent to prevent flooding."
Ditch as a verb (transitive):

To throw into a ditch.

Examples:

"The engine was ditched and turned on its side."

Junk as a noun:

Discarded or waste material; rubbish, trash.
Junk as a noun:

A collection of miscellaneous items of little value.
Junk as a noun (slang):

Any narcotic drug, especially heroin.
Junk as a noun (slang):

The clothed genitalia.
Junk as a noun (nautical):

Salt beef.
Junk as a noun:

Pieces of old cable or cordage, used for making gaskets, mats, swabs, etc., and when picked to pieces, forming oakum for filling the seams of ships.
Junk as a noun (dated):

A fragment of any solid substance; a thick piece; a chunk.

Examples:

"rfquotek Lowell"

Junk as a verb (transitive):

To throw away.
Junk as a verb (transitive):

To find something for very little money (meaning derived from the term junk shop)

Examples:

"(On Facebook, a record collector wrote:) "The newest addition to my Annette Hanshaw collection, I junked this beautiful flawless E-copy within walking distance from my house."