Family: Indo-European (176 languages)

 Genus: Albanian
Albanian
 Genus: Armenian (3 languages)
Armenian (Eastern)
Armenian (Iranian)
Armenian (Western)
 Genus: Baltic (2 languages)
Latvian
Lithuanian
 Genus: Celtic (9 languages)
Breton
Cornish
Gaelic (Scots)
Irish
Irish (Donegal)
Irish (Munster)
Manx
Welsh
Welsh (Colloquial)
 Genus: Germanic (39 languages)
A Afrikaans
Alsatian
D Danish
Dutch
Dutch (Brabantic)
Dutch (Limburg)
Dutch (Zeeuws)
E English
F Faroese
Frisian
Frisian (Eastern)
Frisian (North)
Frisian (Western)
G German
German (Appenzell)
German (Bavarian)
German (Berlin)
German (Bern)
German (Hannover)
German (Mansfeldisch)
German (Ostschweiz)
German (Ripuarian)
German (Thurgau)
German (Thuringian)
German (Timisoara)
German (Upper Austrian)
German (Viennese)
German (Westphalian)
German (Zurich)
I Icelandic
L Low German
Luxemburgeois
N Norwegian
S Swedish
Swedish (Västerbotten)
Y Yiddish
Yiddish (Bessarabian)
Yiddish (Lithuanian)
Yiddish (Lodz)
 Genus: Greek (2 languages)
Greek (Cypriot)
Greek (Modern)
 Genus: Indic (53 languages)
A Assamese
Awadhi
B Bagri
Bengali
Bengali (Chittagong)
Bhili
Bhojpuri
Brokskat
D Darai
Dhivehi
Dogri
Domari
Dumaki
G Gojri
Gujarati
H Halbi
Hindi
K Kalami
Kalasha
Kashmiri
Kati (in Afghanistan)
Khowar
Kokni
Konkani
Kumauni
L Lamani
M Magahi
Maithili
Marathi
Mawchi
N Nepali
O Oriya
Oriya (Kotia)
P Panjabi
Prasuni
R Romani (Ajia Varvara)
Romani (Bugurdzi)
Romani (Burgenland)
Romani (Kalderash)
Romani (Lovari)
Romani (North Russian)
Romani (Sepecides)
Romani (Welsh)
S Savi
Shekhawati
Shina
Sindhi
Sinhala
T Torwali
U Urdu
V Vasavi
Vedda
W Waigali
 Genus: Iranian (26 languages)
Baluchi
Dari
Gilaki
Hawrami
Ishkashmi
Kabatei
Koluri
Kurdish (Central)
Kurmanji
Luri
Mazanderani
Ormuri
Ossetic
Pashto
Persian
Rushan
Tajik
Talysh (Azerbaijan)
Talysh (Southern)
Tat (Muslim)
Tati (Southern)
Vafsi
Wakhi
Yaghnobi
Yazgulyam
Zazaki
 Genus: Romance (24 languages)
Asturian
Catalan
French
Galician
Italian
Italian (Bologna)
Italian (Fiorentino)
Italian (Genoa)
Italian (Napolitanian)
Italian (Turinese)
Ladin
Ladino
Moldavian
Occitan
Portuguese
Provençal
Romanian
Romansch
Romansch (Scharans)
Romansch (Surmeiran)
Romansch (Sursilvan)
Sardinian
Spanish
Spanish (Canary Islands)
 Genus: Slavic (17 languages)
Belorussian
Bosnian
Bulgarian
Czech
Kashubian
Macedonian
Polabian
Polish
Russian
Serbian-Croatian
Slovak
Slovene
Slovincian
Sorbian
Sorbian (Lower)
Sorbian (Upper)
Ukrainian