Sol sits next to 3 phonetic neighbors — Soul, Saul, and Zol are the closest matches by sound. Most share Sol's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"sun"
"open plain"
"supplanter, one who follows"
"fidelity, eternity (symbolic)"
"from Hadria (near the Adriatic)"
"flower, blossom, radiance"
"princess, noblewoman"
"ship's victory"
"one's own meadow, Aen's clearing"
"unique one"
"fair, smooth, white wave"
"my God is abundance"
"whole, universal"
"ugly-headed (original Gaelic)"
"white, fair, pure, blessed"
"Christian woman"
"peace"
"pearl"
"Malay peninsula"
"my sweetness"
"royalty, the divine"
Similar sound: These names share phonetic patterns with Sol — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Sol.
Rhythm: Sol is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.