Hector sits next to 3 phonetic neighbors — Victor, Nestor, and Hektor are the closest matches by sound. Most share Hector's Greek-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"to hold fast, to restrain"
"new house"
"from Antwerp"
"peaceful ruler"
"courageous, valiant"
"healer (if derived from Jason/Kason)"
"young creature, cub"
"broad clearing in the woods"
"hillside dweller"
"lion of God"
"little fire"
"elf counsel, supernatural wisdom"
"Roman pilgrim"
"wealthy guardian"
"God is gracious"
"brave and powerful"
"narrow road, path"
"benevolent, kind"
"crooked, enclosed valley"
"home ruler"
"firm foundation"
Similar sound: These names share phonetic patterns with Hector — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Ancient Greek origins, giving them the same cultural heritage as Hector.
Rhythm: Hector is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.