χαλκός
chalkos
khal-kos'
Perhaps from G5465 through the idea of hollowing out as a vessel (this metal being chiefly used for that purpose); copper (the substance, or some implement or coin made of it)
KJV Usage: brass, money.
G5471 χαλκεύςχαλκεύς
chalkeus
khalk-yooce'
From G5475; a copperworker or brazier
KJV Usage: coppersmith.
G5472 χαλκηδώνχαλκηδών
chalkēdōn
khal-kay-dohn'
From G5475 and perhaps G1491; copperlike, that is, “chalcedony”
KJV Usage: chalcedony.
G5473 χαλκίονχαλκίον
chalkion
khal-kee'-on
Diminutive from G5475; a copperdish
KJV Usage: brazen vessel.
G5474 χαλκαλίβανονχαλκαλίβανον
chalkalibanon
khal-kol-ib'-an-on
Neuter of a compound of G5475 and G3030 (in the implied mean of whiteness or brilliancy); burnishedcopper, an alloy of copper (or gold) and silver having a brilliant lustre