snedra : snakes
The Illunse word for snakes (nominative plural) is snedra. Snedra is a rare term, various computer user names.
Snakes in Latin is serpentis. Snakes in Old English is nǽdran.
Snake in Illunse is snedre, which is a mix of the Latin word (serpens) and Old English word (nǽdre). There are other words for snake in both Latin and Old English.
Here's a link to Snake, in J.R.R. Tolkien's words.