18-letter words containing c, r, o, a, k, i
- stokely carmichael — Hoagland Howard [hohg-luh nd] /ˈhoʊg lənd/ (Show IPA), ("Hoagy") 1899–1981, U.S. songwriter and musician.
- take out insurance — take out insurance against something
- the dark continent — a term for Africa when it was relatively unexplored
- the-cocktail-party — a play in verse (1950) by T. S. Eliot.
- the-dark-continent — Africa: so called, especially during the 19th century, because little was known about it.
- trickle irrigation — drip irrigation.
- vicar of wakefield — a novel (1766) by Goldsmith.
- watson-crick model — a widely accepted model for the three-dimensional structure of DNA, featuring a double-helix configuration for the molecule's two hydrogen-bonded complementary polynucleotide strands.
- wingback formation — single wingback formation.