interrobang is a valid English word

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

Meanings

Noun (COUNTABLE)

The nonstandard punctuation mark ‽ (a combination of ? and !), which may be used at the end of a sentence to express excitement or disbelief, or to indicate that it is a rhetorical question. (from 1962.)

interrobang is a Scrabble valid word

i1n1t1e1r1r1o1b3a1n1g2

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

interrobang is not an iScramble, QuickWords valid word

i1n2t3e4r5r6o7b8a9n10g11

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

Same letters words (Anagrams)

• GNABORRETNI

Same letters plus one

• GNABORRETNIS
• INTERROBANGS

Same letters minus one

• BARRINGTON
• BERRINGTON
• IGNORANTER
• INTERORGAN