Solar sits next to 4 phonetic neighbors — Solara, Sol, and Aurora are the closest matches by sound. Most share Solar's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"of the sun, sun-related"
"lake, pool"
"dear one, darling"
"clearing on a slope"
"short form of Kimberly; from Kimberley, South Africa"
"crooked nose"
"apple"
"cap maker or seller"
"spear of strength"
"grace of the earth-worker"
"proud descendant, descendant of the proud one"
"shining, bright one"
"warm season"
"nickname form of Adelaide, Addison, Adeline"
"of the rivers"
"luminaries, lights (plural)"
"famous, illustrious"
"dark-skinned beauty"
"thankful, God has heard"
"purity, virtue (literary association)"
Similar sound: These names share phonetic patterns with Solar — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Solar.
Rhythm: Solar is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.