kostroma is a valid English word

Scrabble validity: invalid ( international - Sowpods, US - Twl06 )
iScramble validity: valid
QuickWords validity: valid

Meanings

Proper noun

a river in Russia running from north to south into river Volga
A city/administrative center Kostroma Russia. Located on the mouth of this river.
A oblast Russia.

kostroma is not a Scrabble valid word

k5o1s1t1r1o1m3a1

• International English (Sowpods) - The word is not valid in Scrabble ✘
• US English (TWL06) - The word is not valid in Scrabble ✘
• 14 points

kostroma is an iScramble, QuickWords valid word

k1o2s3t4r5o6m7a8

• The word is valid in iScramble ✔
• The word is valid in QuickWords ✔
• 36 points

Same letters words (Anagrams)

• MARTOSKO
• MOOKTARS

Same letters plus one

• FOOTMARKS
• MARTOSKOS
• MOOKTEARS
• SMARTBOOK
• STACKROOM
• TACKROOMS
• TANKROOMS
• TOOLMARKS

Same letters minus one

• KOROMAS
• KRATOMS
• MAKOROS
• MOOKTAR
• OSTMARK
• ROTOKAS
• SOTKAMO
• TOMASKO