This tool finds all pages and categories in a category tree in language X. Then, it checks all of these categories in other languages, and gets pages with a language link back to X there. It lists all pages in X that are not in the original category tree, but in the tree equivalent in other languages.
Wikipedia.
Category, depth
External depth (>0 gets more pages, but is much slower) Temporarily disabled
(Example: French scientists on fr.wikipedia)
PageWikidataLanguagesLanguage list
République d'AlbaQ22640741ar, br, en, es, fi, gl, it, ja, nl, nn, no, pl, sv, tr, uk
Électorat de TrèvesQ17943521be, bg, cs, da, de, en, eo, es, et, eu, fi, he, hu, id, it, ja, ko, nl, nn, no, pl, pt, ru, sv, th, uk, zh
Found a total of 2 page candidates.
Query took 1.4169859886169 seconds and 0.5 MB.