9-letter words containing b, o, g, t, i
- tribology — the study of the effects of friction on moving machine parts and of methods, as lubrication, of obviating them.
- troubling — to disturb the mental calm and contentment of; worry; distress; agitate.
- unbigoted — utterly intolerant of any creed, belief, or opinion that differs from one's own.
- wing bolt — a bolt with a head like a wing nut.