'dialect words' is correct and usable in written English.
You can use it when referring to words specific to a particular dialect or region. For example: "My grandmother used many dialect words when speaking to me, and I still remember them today."
There are many Yorkshire dialect words for fools and scoundrels, bizzumhead, dunderknowle, hauvey-gauvey, ragabash and fustilugs among them.
The Scots dialect words somehow give Kidnapped an inexhaustible fire and brio, but its inner mood is sombre.
__________ By 2066, all dialect words and regional pronunciations will be no more – consumed, according to a report, by a tsunami of Americanisms and machine speak.
The dialect words, too, are stunningly rich and evocative: "pooties" (snail shells), "crizzle" (to freeze), "cowslaps" (cowslips), "whirl puffs" (a sudden gust of wind driving the dust into an eddy).
Like a rich country fruit cake, Kidnapped is seasoned throughout with handfuls of dialect words, "ain" (one), "bairn" (child), "blae" (cheerless), "chield" (fellow), "drammach" (raw oatmeal), "fash" (bother), "muckle" (big), "siller" (money), "unco" (extremely), "wheesht!" (shush!), and dozens more.
I discovered the book at the time Peter Sutcliffe was murdering women in the 1980s, and it struck me how many local dialect words were abusive of women, either for talking too much or, more usually, for promiscuity – nazz‑moll, trail-tripe, gadabout, flappysket, drabbletail and gammerstang were all ways of saying it.
That lug probably brought by the Vikings is the northern and eastern dialect word for ear.
Our standard Monday night meal was called meneste, from the southern dialect word menesta, which means vegetables boiled for soup.
On the table in front of him at his Soho office, his coffee mug bears the legend "Crabbit": a Scottish dialect word meaning "ill-tempered, grumpy, curt, disagreeable".
Delicate little spinach ravioli (agnolotti del plìn, from a dialect word indicating they are pinched closed) were a good vehicle for a generous grating of fragrant white truffle.
The hang (a Berne dialect word for hand) was invented in Switzerland in 2000 by PanArt - Felix Rohner and Sabina Schärer, master metallurgists and acousticians.
