hazard

HAZARD noun

uk/ˈhæzəd/ us
[ C ] something that is dangerous

риск, источник опасности
a fire hazard a health hazard  an occupational hazard
something unpleasant that sometimes happens to people who do a particular job

профессиональный риск hazard verb uk/ˈhæzəd/ us   hazard a guess
to risk guessing something

пытаться угадать, осмелиться предположить
I don't know where he is, but I'd be willing to hazard a guess.