Words that come from Proto-Indo-European seykʷ-

400 words across 45 languages descend from Proto-Indo-European seykʷ- — including sea, soul, sick, seas, sie, seafood, seaweed, seashore.

See the etymology of seykʷ- itself →

English (192)

Dutch (74)

Swedish (16)

Icelandic (13)

German (12)

Danish (11)

Old Dutch (7)

Norwegian Bokmål (7)

Middle Dutch (6)

Norwegian Nynorsk (5)

Faroese (4)

Japanese (4)

Luxembourgish (4)

Afrikaans (3)

Gothic (3)

Westrobothnian (3)

Italian (2)

Polish (2)

Old Swedish (2)

Russian (2)

Proto-Slavic (2)

Proto-Germanic (2)

Old English (2)

West Frisian (1)

Hungarian (1)

Aukan (1)

Sranan Tongo (1)

Old High German (1)

Proto-Indo-European (1)

Esperanto (1)

Czech (1)

German Low German (1)

Chuukese (1)

Latin (1)

Cebuano (1)

Ancient Greek (1)

West Flemish (1)

Slovak (1)

Central Franconian (1)

North Frisian (1)

Yola (1)

Serbo-Croatian (1)

Old Norse (1)

Northern Sami (1)

Middle English (1)