Indigenous peoples of the Americas | Americas | Indigenous Australians | Köppen climate classification | Languages of India | Indo-European languages | Celtic languages | Slavic languages | Algonquian languages | Turkic languages | indigenous peoples | Bantu languages | Romance languages | British undergraduate degree classification | Indigenous peoples | Berber languages | Australian Aboriginal languages | Germanic languages | British Board of Film Classification | Goidelic languages | Arawakan languages | North Germanic languages | Indigenous languages of the Americas | Austroasiatic languages | Indo-Aryan languages | indigenous peoples of the Americas | Polynesian languages | Northwest Caucasian languages | Munda languages | Mongolic languages |
For this reason, many language families have had lumper–splitter controversies, including Altaic, Pama–Nyungan, Nilo-Saharan, and most of the larger families of the Americas.