This post has many categories.
Edge Case: Many Categories
aciform, antiquarianism, arrangement, asmodeus, broder, buying, Cat A, Cat B, Cat C, championship, chastening, Child 1, Child 2, Child Category 01, Child Category 02, Child Category 03, Child Category 04, Child Category 05, clerkship, disinclination, disinfection, dispatch, echappee, Edge Case, enphagy, equipollent, fatuity, Foo A, Foo A, Foo Parent, gaberlunzie, Grandchild Category, illtempered, insubordination, lender, Markup, Media, monosyllable, packthread, palter, papilionaceous, Parent, Parent Category, personable, Post Formats, propylaeum, pustule, quartern, scholarship, selfconvicted, showshoe, sloyd, sub, sublunary, tamtam, Unpublished, weakhearted, ween, wellhead, wellintentioned, whetstone, years