11-letter words containing f, e, b, l
- unrefusable — to decline to accept (something offered): to refuse an award.
- waffle slab — a reinforced-concrete floor and roof construction employing a square grid of deep ribs with coffers in the interstices.
- wiffle ball — a hollow plastic baseball, one side of which is perforated to enable the pitching of various types of curveball: used in an informal variation of baseball
- wilberforce — William, 1759–1833, British statesman, philanthropist, and writer.