Words that come from Proto-Indo-European peḱ-

400 words across 56 languages descend from Proto-Indo-European peḱ- — including fellow, fight, fighting, peculiar, fee, fees, peculiarly, feudal.

See the etymology of peḱ- itself →

English (181)

Latin (33)

Italian (22)

Dutch (21)

Icelandic (13)

French (12)

Danish (12)

Swedish (12)

Faroese (12)

Translingual (7)

Ancient Greek (3)

Old Swedish (3)

Westrobothnian (3)

Catalan (3)

Middle Dutch (3)

Korean (3)

Russian (3)

Greek (3)

Bislama (3)

Friulian (3)

Old High German (2)

Proto-Indo-European (2)

Hungarian (2)

Old Dutch (2)

Middle Low German (2)

Irish (2)

Japanese (2)

Aromanian (2)

Asturian (2)

Frankish (1)

Low German (1)

Sanskrit (1)

Proto-Iranian (1)

Kurdish (1)

Old Frisian (1)

West Frisian (1)

Afrikaans (1)

Polish (1)

Old Occitan (1)

Old Danish (1)

Old Spanish (1)

Chinese (1)

Fiji Hindi (1)

Galician (1)

Czech (1)

Hiligaynon (1)

Gothic (1)

Dutch Low Saxon (1)

Sicilian (1)

Ido (1)

Karelian (1)

Dalmatian (1)

Telugu (1)

Cahuilla (1)

Ligurian (1)

Tagalog (1)