thornback is a valid English word

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

Meanings

Noun (COUNTABLE)

Any animal with a thorny back, especially marine animals, such as:
(archaic) A woman over a certain age (variously 26 or 30) who has never married, older than a spinster.

thornback is a Scrabble valid word

thornback

• International English (Sowpods) - The word is valid in Scrabble ✔
• US English (TWL06) - The word is valid in Scrabble ✔
• 00 points

thornback is not an iScramble, QuickWords valid word

thornback

• The word is not valid in iScramble ✘
• The word is not valid in QuickWords ✘
• 00 points

Same letters words (Anagrams)

• none

Same letters plus one

• BLACKTHORN
• THORNBACKS

Same letters minus one

• HORNBACK