Assetou sits next to 5 phonetic neighbors — Aissatou, Assetou, and Fatou are the closest matches by sound. Most share Assetou's Bambara/Mandé-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"Devoted, pure"
"noble; one who travels by night; serene"
Similar sound: These names share phonetic patterns with Assetou — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Bambara/Mandé origins, giving them the same cultural heritage as Assetou.
Rhythm: Assetou is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.