pin vs skewer

pin and skewer both are nouns.

Word	Noun	Adjective	Verb	Adverb
pin	Yes	No	Yes	No
skewer	Yes	No	Yes	No

As nouns, skewer is a hyponym of pin; that is, skewer is a word with a more specific, narrower meaning than pin:

pin: a small slender (often pointed) piece of wood or metal used to support or fasten or attach things
skewer: a long pin for holding meat in position while it is being roasted

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

Other hyponyms of pin include spit.

pin (noun)	skewer (noun)
a small slender (often pointed) piece of wood or metal used to support or fasten or attach things	a long pin for holding meat in position while it is being roasted
a piece of jewelry that is pinned onto the wearer's garment
axis consisting of a short shaft that supports something that turns
a holder attached to the gunwale of a boat that holds the oar in place and acts as a fulcrum for rowing
a club-shaped wooden object used in bowling; set up in triangular groups of ten as the target
flagpole used to mark the position of the hole on a golf green
cylindrical tumblers consisting of two parts that are held in place by springs; when they are aligned with a key the bolt can be thrown
informal terms for the leg
small markers inserted into a surface to mark scores or define locations etc.
when a wrestler's shoulders are forced to the mat

pin (verb)	skewer (verb)
(chess) immobilize a piece	drive a skewer through
attach or fasten with pins
pierce with a pin
to hold fast or prevent from moving