All tournament players make it a high priority to learn these 16 Q-words that don't use a U:

FAQIR - Variation of FAKIR, a Hindu ascetic.
FAQIRS - Plural of FAQIR.
QAID - A variation of caid, a Muslim leader.
QAIDS - Plural of Qaid.
QANAT - A system of underground tunnels and wells in the Middle East.
QANATS - Plural of QANAT.
QAT - Variation of kat, an evergreen shrub.
QATS - Plural of QAT.
QINDAR - Variation of QINTAR, a monetary unit of Albania.
QINDARS - Plural of QINDAR.
QINDARKAS - The plural of QINDARKA.
QINTAR - See above.
QINTARS - Plural of QINTAR.
QOPH - A letter of the Hebrew alphabet.
QOPHS - Plural of QOPH.
QWERTY - A standard typewriter keyboard.
QWERTYS - The plural of QWERTY, see above.
SHEQEL - An ancient unit of weight and money.
SHEQALIM - The plural of SHEQEL, see above.
TRANQ - Variation of trank (i.e. tranquilizer).
TRANQS - Plural of TRANQ.