Q

Q [Queue]
Letter
== Meaning ==
In English, the digraph ⟨qu⟩ most often denotes the cluster /kw/; however, in borrowings from French, it represents /k/, as in plaque. See the list of English words containing Q not followed by U. Q is the second least frequently used letter in the English language (after Z), with a frequency of just 0.1% in words. Q has the third fewest English words where it is the first letter, after Zand X.