Here's what rhymes with poisonings.

Consider these alternatives

poisoning / moistening overdoses / roses suicides / rights monoxide / dioxide rapes / states waterborne / born nonfatal / fatal burnings / earnings botulism / given fatal / able hospitalizations / relations beatings / meetings listeriosis / tuberculosis homicides / rights copycat / that overdose / close sightings / writings spate / state diarrhoea / idea coli / slowly electrocution / solution salmonellosis / tuberculosis