ringback is a valid English word

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

Meanings

Noun (UNCOUNTABLE)

(telecommunications) The sound transmitted back to a caller to indicate that the telephone they are calling is ringing.
(telecommunications) A telephone feature allowing a person to receive an automatic call back when a busy line becomes free.

ringback is not a Scrabble valid word

r1i1n1g2b3a1c3k5

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

ringback is not an iScramble, QuickWords valid word

r1i2n3g4b5a6c7k8

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

Same letters words (Anagrams)

• none

Same letters plus one

• BACKGRIND
• BRINGBACK
• REBACKING

Same letters minus one

• ARCKING
• BACKING
• BARKING
• BARNICK
• BRACING
• BRACKIN
• BRAKING
• BRIGNAC
• CARKING
• CRAKING
• RACKING