11-letter words containing a, r, b, k, n
- untrackable — a structure consisting of a pair of parallel lines of rails with their crossties, on which a railroad train, trolley, or the like runs.
- visbreaking — Visbreaking is thermal cracking, when the vacuum residue is less viscous and it can then be used to produce valuable products.
- windbreaker — A wind -resistant jacket with a close-fitting neck, waistband, and cuffs.