Soleil sits next to 4 phonetic neighbors — Solei, Solay, and Sollee are the closest matches by sound. Most share Soleil's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"sun"
"bright fame, shining fame"
"heavenly flower"
"pure"
"king's meadow, royal clearing"
"defender, helper of mankind"
"Yahweh has helped"
"wonderful, admirable"
"pure, clean"
"child of the fair one"
"shining one, bright, torch"
"purity, wisdom, rarity"
"my princess"
"the sky, cloud"
"noble, of noble birth"
"Yahweh is God"
"beloved and gracious"
"night, dark beauty"
"lovely, fair"
"sky, heavens"
"consecrated, honored"
Similar sound: These names share phonetic patterns with Soleil — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have French origins, giving them the same cultural heritage as Soleil.
Rhythm: Soleil is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.