Marshella sits next to 5 phonetic neighbors — Marcella, Marchella, and Marishel are the closest matches by sound. Most share Marshella's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"Of the sea, warrior; defender of the sea"
"wise counsel, gentle (ewe)"
"shining renown"
"moon goddess, famous warrior"
"broom-covered hill, beacon hill"
"Variant of Sherman; from the shearing settlement"
"God is my oath"
"one who follows at the heel"
"faith"
"pure"
"Possibly a variant of Teresa/Therese, meaning to reap or harvest"
"Gaelic form of Jane/Jean"
"honoring God, one who honors God"
"pure, clear"
"of the alder tree"
Similar sound: These names share phonetic patterns with Marshella — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old French via Marshall origins, giving them the same cultural heritage as Marshella.
Rhythm: Marshella is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.