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"
"bear warrior"
"lion man"
"powerful ruler"
"born on Sunday"
"may God protect"
"peaceful ruler"
"brave"
"one who frees men"
"venerable, revered"
"alive, vital"
"myrrh, fragrant oil"
"variant of Alexander (defender of men)"
"gift of Yahweh"
"one who works the earth"
"God, divine master"
"safe, unharmed (proposed etymology)"
"qualitative time, the fullness of time"
"guiding spirit"
"firm, unwavering"
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.