Words that come from Proto-Indo-European peuḱ-

218 words across 31 languages descend from Proto-Indo-European peuḱ- — including repugnant, pugnacious, impugn, poniard, pugnacity, repugnancy, inexpugnable, pugnaciously.

See the etymology of peuḱ- itself →

Latin (71)

English (35)

Italian (25)

Portuguese (16)

Spanish (14)

French (12)

Old French (4)

Middle French (3)

Proto-Indo-European (3)

Galician (3)

Catalan (3)

Norman (3)

Occitan (3)

Classical Nahuatl (2)

Emilian (2)

Romansch (2)

Old Portuguese (2)

Romanian (2)

Neapolitan (1)

Aromanian (1)

Greek (1)

Hungarian (1)

Friulian (1)

Asturian (1)

Istriot (1)

Cebuano (1)

Tagalog (1)

Ido (1)

Walloon (1)

Proto-Italic (1)

Vulgar Latin (1)