| 1 | Finnish | Ossian | — |
| 2 | English | Ossian | — |
| 3 | Irish | oisín | Diminutive of os; fawn |
| 4 | Irish | ós | since... is; Alternative form of ó; mouth |
| 5 | Old Irish | úas | above, over |
| 6 | Dutch | wassen | to wash, to clean; to grow, to rise, to increase,... |
| 7 | Dutch | was | laundry, clothes that need to be washed, or just... |
| 8 | Middle Dutch | was | first/third-person singular past indicative of... |
| 9 | Middle Dutch | wassen | to grow, to wax; to increase |
| 10 | Old Dutch | wassan | to grow, to wax; to rise in level |
| 11 | Proto-West Germanic | wahsan | to grow |
| 12 | Proto-Germanic | wahsijaną | to grow |
| 13 | Indo-European | *h₂weks- | — |