12-letter words containing b, u, m, o, t
- tumbling box — a box, pivoted at two corners, used in the manner of a tumbling barrel.
- umbilication — a central navellike depression.
- uncomputable — to determine by calculation; reckon; calculate: to compute the period of Jupiter's revolution.
- unfathomable — not able to be fathomed, or completely understood; incomprehensible: heroism in the face of unfathomable conflict.
- unflamboyant — not flamboyant