Everyday I get an email from the Visual Thesaurus people… I love that site!

I particularly like those that my students might profit from… like today’s:

Stuff Happens Word of the Day: incidence

The most important take-home about today’s word, in view of modern usage, is that it’s a noncount noun, and so incidences are a confusion for which users probably mean incidents (plural of incident) or just incidence, which means “relative frequency.” The Latin root that gives us both words meant ‘happening.’

Visit the following URL to look up the word of the day in the Visual Thesaurus