Blight
Part of speech: noun
Definition: any of many plant diseases causing damage to, or the death of, leaves, fruit or other parts the bacterium, virus or fungus that causes such a condition anything that impedes growth or development or spoils any other aspect of life
Part of speech: verb
Definition: to suffer blight to cause to suffer blight to spoil or ruin (something)
Plague
Part of speech: verb
Definition: To harass, pester or annoy someone persistently or incessantly.To afflict with a disease or other calamity.
Part of speech: noun
Definition: (used absolutely, usually capitalized: The Pest) The pestilent disease "Plague", caused by the virulent bacterium Yersinia pestis and mostly known by its variant form bubonic plague.An epidemic or pandemic caused by any pestilence, but specifically by the above disease.A widespread affliction, calamity or destructive influx, especially when seen as divine retribution.A grave nuisance, whatever greatly irritates
Example sentence: I make a wonderful cure-all called Four Thieves, just like my mum did. It's cider vinegar, 36 cloves of garlic and four herbs, representing four looters of plague victims' homes in 1665 who had their sentences reduced from burning at the stake to hanging for explaining the recipe that kept them from catching the plague.