Q or Q.

1. Qatar (IVR)
2. Quality
3. Quarto
4. Quebec (also Que.)
5. Queen (in cards and chess)
6. Queensland (also Qld)
7. Query
8. Question
9. Quetzal (Guatemalan currency)

Qˈ-boat or Qˈ-ship noun (historical)

A merchant vessel manned by navy personnel and with concealed guns, used to deceive and destroy submarines

Qˈ-fever noun

An acute disease characterized by fever and muscular pains, transmitted by the bacterium Coxiella burnetii

Qˈ-sort noun

A psychological test designed to discover subjects' personality types by having them rank traits in the order most appropriate to their own personalities

Qˈ-train noun

A special train carrying railway police and with closed-circuit TV, used to deal with railway vandals and trespassers (named after Q-boat above)

Q

1. (as a medieval Roman numeral) 500
2. A measure of the efficiency of an electrical component as a ratio between stored energy and energy loss (also Q factor)
3. A unit of heat energy equal to 10¹⁸ British thermal units (US)

• theatrophones
• the Auld Kirk
• theave
• theaves
• the ayes have it
• the back of beyond
• the Backs
• Thebaic
• Thebaid
• thebaine
• thebaines
• the balks
• the ball at one's feet
• the ball's in your court
• Theban
• the bane of one's life
• Theban year
• the Bard
• the Bay State
• thebe
• the Beast
• the beast with two backs
• the beautiful people
• the bee's knees
• the belief