Words that come from Proto-Indo-European smegʰ-

130 words across 24 languages descend from Proto-Indo-European smegʰ- — including smack, smacking, smooch, smacker, smoochy, smatch, smackhead, smackingly.

See the etymology of smegʰ- itself →

Finnish (32)

English (22)

German (16)

Norwegian Bokmål (8)

Dutch (7)

Middle English (7)

Norwegian Nynorsk (6)

Old English (5)

Polish (4)

Swedish (2)

Gothic (2)

Danish (2)

Serbo-Croatian (2)

Proto-Germanic (2)

Old Saxon (2)

Middle Low German (2)

Old High German (2)

Middle Dutch (1)

Old Dutch (1)

Luxembourgish (1)

Icelandic (1)

Low German (1)

Proto-Finnic (1)

Old Norse (1)