9-letter words containing o, b, m, u, t
- tubectomy — salpingectomy.
- tumble to — to fall helplessly down, end over end, as by losing one's footing, support, or equilibrium; plunge headlong: to tumble down the stairs.
- turbopump — a turbine-driven pump, as one used to feed propellant to a rocket engine.
- umberto i — (Umberto I) 1844–1900, king of Italy 1878–1900.