Marsel sits next to 4 phonetic neighbors — Marcel, Marcello, and Marco are the closest matches by sound. Most share Marsel's Latin-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"of Mars, little warrior"
"holds firm the good"
"son, child"
"victory of the people"
"devoted to Demeter, of the earth goddess"
"gift of God, gift of Yahweh"
"victory of the people"
"victory of the people"
"the greatest, greatest one"
"defender of mankind"
"earth mother devotee"
"God is Lord (variant of Elijah)"
Similar sound: These names share phonetic patterns with Marsel — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Marsel.
Rhythm: Marsel is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.