| Language | Reflex(es) | Gloss | Grammar | Sources |
|---|
| English |
| English | rocketsonde | meteorological instrument transported aloft by rocket | n | AHD LRC |
| English | radiosonde | instrument aloft gathering/transmitting meteorological data | n | AHD LRC |
| English | sound | long broad inlet of sea/ocean | n | AHD W7 LRC |
| English | sound | to fathom, measure depth of | vb | AHD W7 LRC |
| English | swim, swam, swum | to move oneself in water | vb.str | AHD W7 LRC |
| Old English | sund | sound, sea; swimming | n.neut | LRC |
| Old English | sundlīne | sounding line | n.fem | W7 LRC |
| Old English | swimman, swamm, swummon, swummen | to swim | vb.str | W7 ASD LRC |
| Middle English | sound | sound | n | W7 LRC |
| Middle English | sounden | to sound | vb | W7 LRC |
| Middle English | swimmen | to swim | vb | W7 LRC |
| West Germanic |
| Old High German | swimman | to swim | vb | W7 LRC |
| German | schwimmen | to swim | vb | LRC |
| North Germanic |
| Old Norse | sund | sound, strait; swimming | n | W7 LRC |
| Icelandic | sund | sound; swimming | n | ASD LRC |
| Icelandic | svimma | to swim | vb | ASD LRC |
| Danish | sund | sound, strait | n | ASD LRC |
| Swedish | sund | sound, strait | n | ASD LRC |
| Italic |
| Middle French | sonder | to sound, drag | vb | W7 LRC |