Alexander sits next to 4 phonetic neighbors — Aleksander, Alejandro, and Alessandro are the closest matches by sound. Most share Alexander's Greek-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"defender of men"
"son of Jack"
"clearing of coarse grass"
"son of Harry (Henry)"
"from the Artorius family"
"bowman, one who shoots arrows"
"rider, equestrian"
"gracious, merciful"
"light, bringer of light"
"From Old French 'macon' meaning one who works with stone; originall..."
"Gaelic-speaking person; Celtic person"
"gracious, mild"
"God is gracious"
"light, luminous"
"man, full-grown man"
"Christian (the religion)"
"victory of the people"
"one who saws wood"
"strong-willed warrior"
"Yahweh has been gracious"
"hunter"
Similar sound: These names share phonetic patterns with Alexander — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Alexander.
Rhythm: Alexander is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.