strela : star
The Illunse word for star is strela. Strela is a rare last name. In Russian (transliterated) strela means arrow. In Serbo-Croatian stréla means arrow. Strela is the name of cities and towns in Italy, Belarus and Russia.
This word is a mixture of the Old English word for star which is steorra and the Latin word for star stella (star; planet, heavenly body). Previouly I used the Latin word astrum (star, heavenly body, planet / sun / moon), and my word was stera.
strelan : stars
The Illunse word for stars (nominative plural) is strelan. Strelan is an unusual last name.
Stars in Latin is stellae. Stars in Old English is steorran.
Here's a link to Star, in J.R.R. Tolkien's words.