Qua.
Qua is a word. It begins with the letter Q.
Nonequivalent is a word. It begins with N and contains the letter Q.
Quaint is a 6 letter word that begins with the letter q and ends with t.
Quantum theory is a science word. It begins with the letter Q.
That would be quota.
queueing
No river in Wisconsin begins with the letter Q.
No chemical element begins with the letter Q.
Quij
A quiver is used to carry arrows. It begins with the letter q.
Quasicaecilia is an extinct amphibian. It begins with the letter Q.
Quick & Easy Crochet is a magazine. It begins with the letter Q.