Nadar sits next to 5 phonetic neighbors — Nadia, Nada, and Hadar are the closest matches by sound. Most share Nadar's Arabic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"scarcely found, uncommonly beautiful"
"grace, eternal"
"night + lake (compound modern meaning)"
"dim star, barely visible star (Alcor)"
"strength"
"sublime, magnificent"
"Exalted, lofty"
"handsome, well-built"
"of high character, virtuous"
"lady, mistress"
"lovely, pleasant, elevated"
"possessing goodness, upholder of good"
"radiant, shining one"
"heart-pleasing, heart-adorning"
"praised, admired"
"full of life"
"radiant, shining light"
"brilliant, radiant star"
"heavenly, elevated one"
"fragrance, sweet scent"
Similar sound: These names share phonetic patterns with Nadar — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Arabic origins, giving them the same cultural heritage as Nadar.
Rhythm: Nadar is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.