Words that come from Proto-Indo-European ḱweys-

61 words across 16 languages descend from Proto-Indo-European ḱweys- — including whisper, whistle, whispering, whistling, whistleblowing, whispery, whisperer, whisperingly.

See the etymology of ḱweys- itself →

English (33)

Proto-Germanic (4)

Old English (3)

Norwegian Bokmål (3)

Danish (2)

Finnish (2)

Middle English (2)

Old Norse (2)

Portuguese (2)

Old Portuguese (2)

Latin (1)

Old Swedish (1)

Norwegian Nynorsk (1)

Galician (1)

Swedish (1)

Vulgar Latin (1)