Qua is a word. It begins with the letter Q.
· Qatar
Qua.
Quizno
"Quadratic Equation"
queue
Nonequivalent is a word. It begins with N and contains the letter Q.
Quantum theory is a science word. It begins with the letter Q.
quest -wikiriki
No word in the English language begins with q and ends with b.
Quaint would be the least offensive.
That would be quota.