Oli sits next to 3 phonetic neighbors — Olly, Ali, and Olli are the closest matches by sound. Most share Oli's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"olive tree"
"son of Anne"
"of the royal house, noble"
"sea and land"
"elm (river or settlement by elm trees)"
"lake, pool, waterfall"
"bear"
"God grants blessing to the sorrowful"
"modern invented name"
"from the hay valley"
"the letter Z"
"wise protector, counselor-guardian"
"bringer of treasure (of the Magi)"
"clover plant, good luck"
"elm tree grove"
"pasture in a marsh"
"command of Aku"
"manly, masculine"
"hay valley"
"son of Madoc (gift of God)"
Similar sound: These names share phonetic patterns with Oli — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Oli.
Rhythm: Oli is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.