12-letter words containing h, o, b, l
- toynbee hall — a residential settlement in East London, named after Arnold Toynbee (1852–83), a British economist and social reformer
- troubleshoot — to act or be employed as a troubleshooter: She troubleshoots for a large industrial firm.
- unfathomable — not able to be fathomed, or completely understood; incomprehensible: heroism in the face of unfathomable conflict.
- unhospitable — not hospitable
- unpolishable — incapable of being made smooth or shiny
- unshadowable — not able to be shadowed
- webliography — a list of electronic documents, websites, or other resources available on the World Wide Web, especially those relating to a particular subject: a student's annotated webliography on Shakespeare.
- wheel wobble — an oscillation of the front wheels of a vehicle caused by a defect in the steering gear, unbalanced wheels, etc
- wheelbarrows — Plural form of wheelbarrow.
- whole number — Also called counting number. one of the positive integers or zero; any of the numbers (0, 1, 2, 3, …).
- whortleberry — the edible black berry of a Eurasian shrub, Vaccinium myrtillus, of the heath family.
- witch hobble — the hobblebush.
- yellow birch — a North American birch, Betula alleghaniensis (or B. lutea), having yellowish or silvery gray bark.