quoin vs coign

quoin and coign both are nouns.

Word	Noun	Adjective	Verb	Adverb
quoin	Yes	No	No	No
coign	Yes	No	No	No

As nouns, quoin and coign are synonyms defined as:

Other synonyms of quoin include coigne.

As nouns, quoin and coign are synonyms defined as:

quoin and coign: expandable metal or wooden wedge used by printers to lock up a form within a chase

Other synonyms of quoin include coigne.

quoin (noun)	coign (noun)
(architecture) solid exterior angle of a building; especially one formed by a cornerstone	the keystone of an arch
the keystone of an arch	expandable metal or wooden wedge used by printers to lock up a form within a chase
expandable metal or wooden wedge used by printers to lock up a form within a chase