Lysander sits next to 4 phonetic neighbors — Alexander, Leander, and Lysander are the closest matches by sound. Most share Lysander's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"liberator of men; freer of man"
"raven, crow"
"doorkeeper, one who ushers"
"Broken land, marshy area"
"slender, narrow"
"a crow-like black bird"
"sharp hill, ridge"
"Yahweh has given"
"rapid water"
"thankful, God has heard"
"Aromatic herb, salvia"
"fifth born"
"gift of God"
"the wild cat"
"son of Hays, hedged area"
"little red-haired one"
"battle"
"strong; speckled one"
"help, strength"
"son of the spear-ruler (Gerald = Geirald)"
"deer meadow"
Similar sound: These names share phonetic patterns with Lysander — 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 Lysander.
Rhythm: Lysander is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.