syntonic is a valid English word

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

Meanings

Adjective (COMPARABLE)

(psychology) In harmony or synergy with one's personality and milieu.
• Antonym: dystonic
(physics of oscillating systems) Having the same frequency.

syntonic is a Scrabble valid word

syntonic

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

syntonic is an iScramble, QuickWords valid word

syntonic

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

Same letters words (Anagrams)

• none

Same letters plus one

• NONCYSTIC
• NONMYSTIC
• NONSTICKY
• SYNTHONIC

Same letters minus one

• NONCITY