Plural of foolscap; multiple sheets of foolscap paper or multiple jester's hats.
Simple plural form of 'foolscap' using the standard English '-s' or '-es' ending to indicate more than one.
In English, most plurals just add '-s', but this boring rule is why irregular plurals like 'geese' and 'children' survive—they're memorable exceptions that stick in the language even when we try to regularize them.
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