Solar sits next to 3 phonetic neighbors — Solaris, Sol, and Solar 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, relating to the sun"
"wolf shield"
"one who stammers"
"anointed one"
"wise protector"
"shadow, area of darkness"
"hare's meadow, woodland clearing"
"fortune; luck (in Spanish/Italian)"
"gift of God"
"wonder, miracle, something astonishing"
"free man"
"one who is celebrated"
"Scottish form of Thomas"
"hot springs, warm wells"
"spear land"
"cup, chalice"
"man from South Munster (southern Ireland)"
"smooth, clear water"
"descendant of Braol"
"sixth"
"beloved son"
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.