Words that come from Proto-Indo-European tum-

254 words across 41 languages descend from Proto-Indo-European tum- — including tumor, tomb, thumb, tumour, tombstone, thumbnail, thimble, antitumor.

See the etymology of tum- itself →

English (118)

Latin (33)

Italian (14)

Middle English (12)

Dutch (10)

German (8)

Esperanto (6)

French (4)

Old English (4)

Spanish (4)

Swedish (3)

Portuguese (3)

Old French (3)

Old High German (2)

Russian (2)

Ido (2)

Proto-Germanic (2)

Danish (1)

Indonesian (1)

Old Swedish (1)

Afrikaans (1)

Old Dutch (1)

Turkish (1)

Galician (1)

Irish (1)

Catalan (1)

Icelandic (1)

Luxembourgish (1)

Proto-Albanian (1)

Albanian (1)

Japanese (1)

Cebuano (1)

Old Frisian (1)

Old Saxon (1)

Scots (1)

Saterland Frisian (1)

Old Norse (1)

Proto-West Germanic (1)

Middle High German (1)

Proto-Indo-European (1)

Middle Dutch (1)