As an adjective unfading

is not losing color or value.

As an adverb unfadingly is

in an unfading way; eternally, immortally.

As a noun piston

is a solid disk or cylinder that fits inside a hollow cylinder, and moves under pressure (as in an engine) or displaces fluid (as in a pump.

As a verb piston

is {{cx|intransitive|lang=en}} To move up and down like a piston.

As a proper noun Piston

is {{surname|lang=en}.

As an adjective pistonlike is

resembling a piston or some aspect of one.

As a noun hammer

is a tool with a heavy head and a handle used for pounding.

As a verb hammer

is to strike repeatedly with a hammer, some other implement, the fist, etc.

As an adjective hammerlike is

resembling a hammer or some aspect of one.

As a noun screw

is a device that has a helical function.

As a verb screw

is to connect or assemble pieces using a screw.

As an adjective screwlike is

resembling a screw (mechanical fastener) or some aspect of one.

As adjectives the difference between canine and noncanine

is that canine is of, or pertaining to, a dog or dogs while noncanine is not canine.

As a noun canine

is any member of caninae, the only living subfamily of canidae.

As a noun soundtrack

is a narrow strip running down a movie film that carries the recorded sound in synchronization with the pictures.

As a verb soundtrack

is to provide, or to act as the sound or music component of a film.

As an adjective nonsoundtrack is

(rare) that is not a soundtrack.

As nouns the difference between direction and codriver

is that direction is the action of directing; pointing (something) or looking towards while codriver is the navigator in the sport of rally racing, who sits in the front passenger seat and gives directions to the driver.

As a proper noun driver

is .

As a noun codriver is

the navigator in the sport of rally racing, who sits in the front passenger seat and gives directions to the driver.

As a noun couch

is an item of furniture for the comfortable seating of more than one person.

As a verb couch

is to lie down; to recline (upon a couch or other place of repose).

As an adjective couchbound is

confined to a couch, or refusing to move from it.

As nouns the difference between space and webspace

is that space is Of time.webspace is disk space used to store webpages and other content that can be accessed through the Web.

As a verb space

is to roam, walk, wander.