Randolph sits next to 5 phonetic neighbors — Rudolph, Randall, and Roland are the closest matches by sound. Most share Randolph's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"shield-wolf"
"first among thinkers"
"eloquent, articulate (from Bayan)"
"sharp, keen, pointed"
"manly, brave one of God"
"he who descends"
"Filipino presidential surname name"
"the opposite of darkness"
"creative coinage, unique individual"
"descendant of Rian"
"the twin stars (Castor and Pollux)"
"upright, righteous"
"of noble lineage"
"people of warmth"
"woodland settlement"
"variant of Kevin (handsome, beloved)"
"small holy man"
"maker of cauldrons and cookware"
"helper, warner (if derived from Nazir)"
"far-reaching, bringer of completion"
Similar sound: These names share phonetic patterns with Randolph — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Norse (rand + ulfr) origins, giving them the same cultural heritage as Randolph.
Rhythm: Randolph is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.