| 1 | English | meth | Methamphetamine, especially in the form of the... |
| 2 | English | methadone | A powerful synthetic analgesic drug which is... |
| 3 | English | dimethylamino | The univalent radical N- derived from... |
| 4 | English | amino | Relating to an amine; The amine functional group |
| 5 | English | amino- | Of amines and of the amino functional group |
| 6 | English | amine | A functional group formally derived from ammonia... |
| 7 | English | -ine | Of or pertaining to; Used to form demonyms;... |
| 8 | French | -ine | feminine singular of -in; female equivalent of... |
| 9 | French | -é | past participle root verb suffix of regular -er... |
| 10 | Middle French | -é | — |
| 11 | Old French | -é | used to form past participles of regular -er... |
| 12 | Latin | -a | suffixed to the roots of verbs, forms agent... |
| 13 | Proto-Italic | -ā | — |
| 14 | Proto-Indo-European | -éh₂ | — |