Jojo sits next to 5 phonetic neighbors — Jolie, Coco, and Lolo are the closest matches by sound. Most share Jojo's African-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God is gracious"
"Lily; rose; from Hebrew Shoshana"
"joy; gladness"
"free one, from France"
"anointed one"
"of the earth, earthling"
"God is gracious"
"beloved, dear one"
"harvester, reaper"
"a plain, fertile land"
Similar sound: These names share phonetic patterns with Jojo — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew Yochanan via Jo origins, giving them the same cultural heritage as Jojo.
Rhythm: Jojo is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.