14-letter words containing w, a, c, o
- wing commander — British. an officer in the Royal Air Force equivalent in rank to a lieutenant colonel in the U.S. Air Force.
- winter aconite — a small Old World plant, Eranthis hyemalis, of the buttercup family, often cultivated for its bright-yellow flowers, which appear very early in the spring.
- wollstonecraft — Mary (Mary Wollstonecraft Godwin) 1759–97, English author and feminist (mother of Mary Shelley).
- work placement — temporary job, internship
- world champion — someone who has won a competition open to people throughout the whole world
- wyandotte cave — a cave in S Indiana: one of the most extensive in the U.S., with 23 miles (37 km) of passages.