unattested is a valid English word

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

Meanings

Adjective (COMPARABLE)

Not supported by attestation; lacking supporting evidence in the form of assurance from an authority.

unattested is a Scrabble valid word

u1n1a1t1t1e1s1t1e1d2

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

unattested is an iScramble, QuickWords valid word

u1n2a3t4t5e6s7t8e9d10

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

Same letters words (Anagrams)

• none

Same letters plus one

• STERNUTATED
• SUSTENTATED
• TESTUDINATE

Same letters minus one

• ATSTUNTED
• ATTENDEST