Diangelo sits next to 4 phonetic neighbors — DeAngelo, Angelo, and Dangelo are the closest matches by sound. Most share Diangelo's Italian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"of the angel, from Angelo's family"
"dark warrior"
"staff bearer, rod bearer"
"new house"
"friend, companion"
"vigilant, watchful"
"Invented modern form"
"light, splendor, radiance"
"modern coinage, possibly 'thankful lion'"
"variant of Braylen or Graylen"
"God is gracious"
"thankful, God has heard"
"deserving of praise, earned reward"
"the one who hates"
"supplanter, held by the heel"
"grace, elegance"
"Shade or darkness cast by an object blocking light"
"healer, one who heals"
"prosperous protector"
"creative elaboration of Quinton/Quentin"
Similar sound: These names share phonetic patterns with Diangelo — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Italian origins, giving them the same cultural heritage as Diangelo.
Rhythm: Diangelo is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.