5-Letter Words That End With: RK

• (physics) hypothetical truly fundamental particle in mesons and baryons; there are supposed to be six flavors of quarks (and their antiquarks), which come in pairs; each has an electric charge of +2/3 or -1/3

• fresh unripened cheese of a smooth texture made from pasteurized milk, a starter, and rennet

• make a shrill creaking, squeaking, or noise, as of a door, mouse, or bird

• any of numerous elongate mostly marine carnivorous fishes with heterocercal caudal fins and tough skin covered with small toothlike scales

• a person who is ruthless and greedy and dishonest

• a person who is unusually skilled in certain ways

• play the shark; act with trickery

• hunt shark

• avoid (one's assigned duties)

• avoid dealing with

• an employee who performs clerical work (e.g., keeps records or accounts)

• a salesperson in a store

• work as a clerk, as in the legal business

• a momentary flash of light

• Scottish writer of satirical novels (born in 1918)

• merriment expressed by a brightness or gleam or animation of countenance

• electrical conduction through a gas in an applied electric field

• a small but noticeable trace of some quality that might become stronger

• a small fragment of a burning substance thrown out by burning material or by friction

• put in motion or move to act

• emit or produce sparks

• a smile expressing smugness or scorn instead of pleasure

• smile affectedly or derisively