Plural of charlatanry; multiple instances of fraud, deception, or pretense; charlatan practices.
From charlatry with a variant plural form using -ries instead of -ries, common in English for words ending in -ry.
The fact that we have so many plural and singular forms of charlatan-related words (charlatanries vs. charlatanries) shows how much English speakers were obsessed with naming different kinds of deception!
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