WordNet sense 1 (a state of danger involving risk):

riskiness

WordNet sense 2 (a source of danger; a possibility of incurring loss or misfortune):

endangerment, hazard, jeopardy, risk

WordNet sense 3 (pose a threat to; present a danger to):

endanger, imperil, jeopardize, menace, threaten, jeopardise

WordNet sense 4 (put in a dangerous, disadvantageous, or difficult position):

expose, scupper, expose

WordNet sense 5 (a venture undertaken without regard to possible loss or injury):

danger