18-letter words containing o, a, k, g
- stinking chamomile — mayweed.
- take cognizance of — note, acknowledge
- take to one's legs — to run away
- to take the plunge — If you take the plunge, you decide to do something that you consider difficult or risky.
- track geometry car — a railroad car equipped with instruments for providing a continuous printed record of the cross level, gauge, alignment, warp, curvature, and bank of a track.
- trickle irrigation — drip irrigation.
- virginia snakeroot — any of various plants whose roots have been regarded as a remedy for snakebites, as the herb Aristolochia serpentaria (Virginia snakeroot) having a medicinal rhizome and rootlets, and the white-flowered Polygala senega (Seneca snakeroot) having a medicinal root.
- westinghouse brake — a railroad air brake operated by compressed air.
- wingback formation — single wingback formation.
- work-study program — a program enabling high-school or college students to combine academic work with actual job experience.