Words that come from Proto-Indo-European “swer-”

53 words across 14 languages descend from Proto-Indo-European swer- — including serious, seriously, seriousness, unserious, nonserious, semiserious, unseriousness, overserious.

See the etymology of swer- itself →

English (16)

Italian (14)

Latin (4)

Russian (4)

Catalan (3)

French (2)

German (2)

Spanish (2)

Romanian (1)

Portuguese (1)

Middle English (1)

Old French (1)

Late Latin (1)

Medieval Latin (1)