* Indo-European:
* Germanic: English, German, Dutch, Swedish, Norwegian, Icelandic, Danish
* Romance: French, Spanish, Italian, Portuguese, Romanian
* Celtic: Irish, Welsh, Scottish Gaelic, Breton
* Indo-Iranian: Hindi, Urdu, Persian, Bengali, Punjabi
* Greek: Modern Greek
* Armenian: Armenian
* Balto-Slavic: Baltic: Lithuanian, Latvian
* Balto-Slavic: Slavic: East Slavic: Russian, Ukrainian, Belarusian
West Slavic: Polish, Czech, Slovak
South Slavic: Bulgarian, Macedonian, Serbo-Croatian, Slovene
* Sino-Tibetan: Mandarin Chinese, Cantonese, Tibetan
* Afro-Asiatic: Arabic, Hebrew, Berber, Egyptian
* Niger-Congo: Yoruba, Swahili, Igbo
* Austronesian: Malay, Indonesian, Tagalog
* Dravidian: Tamil, Telugu, Malayalam
* Japanese
* Korean
* Turkic: Turkish, Azerbaijani, Uzbek
* Uralic: Finnish, Hungarian, Estonian
This list is not exhaustive, and there are many other language families and isolated languages around the world.