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

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

See the etymology of swēr- 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)