Nestor sits next to 2 phonetic neighbors — Hector and Victor are the closest matches by sound. Most share Nestor's Greek-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"traveler, one who returns home"
"supplanter, one who follows at the heel"
"shortened form of Aristotle: best purpose"
"one who works the earth"
"strong, healthy"
"bearer of Christ"
"to tame, subdue"
"flower (disputed folk etymology)"
"peaceful ruler"
"firm, unwavering"
"my God has helped"
"fiery, ardent"
"peace power"
"garden, vineyard (Mount Carmel)"
"gift of Isis"
"born on Sunday"
"expulsion, exile (one who wandered)"
"beautiful"
"beauty, ornament"
"powerful decision-maker"
"God has helped"
Similar sound: These names share phonetic patterns with Nestor — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Nestor.
Rhythm: Nestor is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.