untrue is a valid English word

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

Meanings

Adjective (COMPARABLE)

False; not true.
• Synonyms: false, inaccurate, incorrect, unveridical, wrong, Thesaurus:false
Not faithful or loyal.
• Synonyms: false, perfidious, unfaithful

untrue is a Scrabble valid word

u1n1t1r1u1e1

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

untrue is an iScramble, QuickWords valid word

u1n2t3r4u5e6

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

Same letters words (Anagrams)

• none

Same letters plus one

• NURTURE
• UNBRUTE
• UNTRUER

Same letters minus one

• RUNET
• RUNTE
• TUNER