| 1 | Latin | rete | net, snare, network; trap; The internet |
| 2 | Latin | retina | a rein; medieval spelling of rēsīna |
| 3 | Latin | retinaculum | holdfast, tether, halter, hawser, band |
| 4 | Latin | retinere | present active infinitive of retineō;... |
| 5 | Latin | retineo | I keep or hold back, detain, restrain, retain,... |
| 6 | Latin | re- | back, backwards; again; prefix added to various... |
| 7 | Proto-Indo-European | wret- | — |
| 8 | Proto-Indo-European | wert- | to turn, to rotate |
| 9 | Proto-Indo-European | wer- | to burn; to cover, heed, notice; squirrel |