13-letter words containing b, u, l, e, t, h
- unscratchable — to break, mar, or mark the surface of by rubbing, scraping, or tearing with something sharp or rough: to scratch one's hand on a nail.
- unsmotherable — unquenchable
- unstaunchable — incapable of being stopped
- unstretchable — to draw out or extend (oneself, a body, limbs, wings, etc.) to the full length or extent (often followed by out): to stretch oneself out on the ground.
- untarnishable — to dull the luster of (a metallic surface), especially by oxidation; discolor.
- unwhistleable — incapable of being whistled