1) Deadliness 2) Lethality 3) Noisomeness 4) Noxiousness 5) Perniciousness 6) Unhealthfulness 7) Unwholesomeness 1) Morbidity 2) Quality 3) Unwholesomeness 
• (n.) The quality or state of being morbid; morbidity.
Mor'bid·ness noun The quality or state of being morbid; morbidity. 
morbidity, morbidness 1. A diseased state. 2. The incidence or prevalence of a disease. 3. Morbidity rate; the ratio of deaths in an area to the population of that area; expressed per 1 000 per year; death rate, mortality, mortality rate, fatality rate. 4. The quality of being unhealthy and generally bad for people; unwholesomeness, morbidness.