Ollivander sits next to 4 phonetic neighbors — Oliver, Oleander, and Lysander are the closest matches by sound. Most share Ollivander's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"olive tree man"
"of the earth"
"to be, to exist, present"
"God is my light"
"divine water (Zoroastrian)"
"shining, radiant, brilliant"
"of God"
"slender, narrow"
"of the night"
"invented name, possibly from Tariq (morning star)"
"tailor; one who cuts"
"king, ruler"
"from the River Clyde"
"varies by given names the initials represent"
"associated with Al-Khidr, the immortal guide"
"son of Day, child of daylight"
"top of the steep place"
"eldest son (Na'vi fictional language)"
"steward, household manager"
"from the rye meadow"
"lucky, fortunate"
Similar sound: These names share phonetic patterns with Ollivander — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have English literary construction (Latin + Greek) origins, giving them the same cultural heritage as Ollivander.
Rhythm: Ollivander is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.