iron is rasht

rasht = iron (noun) (metal)

Some things Google found for "rasht":
Rasht is a city in Iran near the Caspian Sea. Rasht is a rare last name. Rasht Valley in Tajikistan.

Word derivation for "iron" :
Hungarian = vas (which I transliterate to vash)
Finnish = rauta
Samgur = rasht

copper is kuraz

kuraz = copper (noun) (metal)
alternate spelling: kuhraz

Some things Google found for "kuraz":
Kuraz is a woreda (district) in the south of Ethiopia. Kuraz the Light Monarch is a Yu-Gi-Oh! card. Kuraz is an unusual last name.

Word derivation for "copper" :
Hungarian = réz
Finnish = kupari
Samgur = kuraz

silver is hespä

hespä = silver (noun) (metal)
alternate spelling: hespae

Some things Google found for "hespa":
Hespa is an unusual last name. Hespa is user names. In Icelandic hespa means skeins. In astronomy, similar Hesperus can refer to the planet Venus in its appearance as the evening star.

Word derivation for "silver" :
Hungarian = ezüst (which I transliterate to ezüsht)
Finnish = hopea
Samgur = hespä

I considered making this word hestä, but I decided to use the p from the Finnish word. To maintain vocal harmony, I changed the a to ä.

gold is aralt

aralt = gold (noun) (metal)

Some things Google found for "aralt":
Aralt is an uncommon masculine first name that can be Irish. Aralt is an unusual last name. Arult Inc. is a small business in Carnegie, PA.

Word derivation for "gold" :
Hungarian = arany
Finnish = kulta
Samgur = arult

violet is lileti

lileti = violet (adjective) (color)

Some things Google found for "lileti":
Lileti is a rare last name. Lileti is a user name. Lileti is the name of a fishing vessel.

Word derivation for "violet" :
Hungarian = lila
Finnish = violetti
Samgur = lileti

gray is särme

särme = gray (adjective) (color)
alternate spelling: saerme

Some things Google found for "särme" and "sarme":
Särme and Sarme are unusual last names. In Finnish similar word särmä means edge. In Swedish similar word sämre means worse.

Word derivation for "gray" :
Hungarian = szürke (which I transliterate to sürke)
Finnish = harmaa (which I transliterate to harmá)
Samgur = särme

Making this word I changed a vowel, to maintain vocal harmony, from a to ä.

brown is burkea

burkea = brown (adjective) (color)
alternate spelling: buhrkea

Some things Google found for "burkea":
Burkea is a genus of flowering plants. Burkea africana is a deciduous, medium-sized, flat-topped tree. Burkea Park Golf Estate in Pretoria, South Africa. Burkea is a rare last name.

Word derivation for "brown" :
Hungarian = barna
Finnish = ruskea
Samgur = burkea