| 1 | English | headset | A pair of headphones or earphones, or a singular... |
| 2 | English | seṭ | of a root, having a final "i" sound in certain... |
| 3 | English | sept | A clan, tribe, or family, proceeding from a... |
| 4 | English | sect | An offshoot of a larger religion; a group sharing... |
| 5 | Middle English | secte | A variety or sort; a category with a... |
| 6 | Old French | secte | a sect in philosophy or religion |
| 7 | Late Latin | secta | a sect in philosophy or religion, a school,... |
| 8 | Latin | sequi | present active infinitive of sequor; follow, come... |
| 9 | Latin | sequor | I follow, come or go after |
| 10 | Proto-Italic | sekʷōr | follow, come/go after |
| 11 | Proto-Indo-European | sékʷetor | to be following |
| 12 | Proto-Indo-European | sekʷ- | to follow; to see; to say |