Shontrell sits next to 4 phonetic neighbors — Chantelle, Shantrell, and Montrell are the closest matches by sound. Most share Shontrell's French-influenced (chanson)-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"singing, melodious"
"white wave, fair and smooth"
"beloved, desired"
"God is gracious (via Shannon/Shane)"
"noise, thunder"
"coined American name; likely from Keisha/Keziah (cassia tree)"
"clear, clean"
"from Ancy, dancing one"
Similar sound: These names share phonetic patterns with Shontrell — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have French-influenced (chanson) origins, giving them the same cultural heritage as Shontrell.
Rhythm: Shontrell is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.