| 1 | Sanskrit | विष्णु | Vishnu; name of the month चैत्र; name of the... |
| 2 | Sanskrit | विष | poison, venom, bane; poisonous; servant,... |
| 3 | Proto-Indo-Aryan | wiṣás | — |
| 4 | Proto-Indo-Iranian | wišás | poison, venom |
| 5 | Proto-Indo-European | wisós | fluidity, slime, poison; poison; poison; slime;... |