cund : dog
The Illunse word for dog is cund. Cund is an uncommon last name. In Old English the suffix -cund denotes origin, derivation or likeness. For example, the Old English word godcund means "divine, god-like". Cund is the name of a place and a stream in Romania.
This word is a mixture of the Latin word for dog, canis, and the Old English word for dog, hund.
My previous Illunse word for dog was canud. That word seemed too like Latin. In addition, I didn't like my options for the plural.
cundas : dogs
The Illunse word for dogs (nominative plural) is cundas. Cundas is a rare last name.
Dogs in Latin is canis (same as the singular). Dogs in Old English is hundas.
Here's a link to Dog, in Tolkien's words.