Apollos sits next to 4 phonetic neighbors — Apollo, Apollon, and Aurelius are the closest matches by sound. Most share Apollos's Greek-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"of Apollo, strength"
"protector of people"
"black, swarthy"
"sand hill, sandy mound"
"independent"
"legend, heroic story"
"spear warrior"
"the king (colloquial interpretation)"
"of the mountain"
"strength, permanence"
"enlightened, bright, clear"
"son of the red-haired one"
"firebrand (via Tyson)"
"place in the wilderness"
"son of Jens"
"Greek man"
"from the high place"
"warrior of the sea"
"first light"
"God sees, God beholds"
"from the ledge farm, shelf settlement"
Similar sound: These names share phonetic patterns with Apollos — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Apollos.
Rhythm: Apollos is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.