istqb is a valid English word

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

Meanings

Proper noun

(software) Initialism of: International Software Testing Qualifications Board.

istqb is not a Scrabble valid word

i1s1t1q10b3

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

istqb is not an iScramble, QuickWords valid word

i1s2t3q4b5

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

Same letters words (Anagrams)

• QBITS

Same letters plus one

• QUBITS
• SQUBIT

Same letters minus one

• BIST
• BITS
• ITBS
• QBIT
• QBTS
• SBIT
• TBIS
• TIBS