Clarsie sits next to 5 phonetic neighbors — Clarice, Clarissa, and Clary are the closest matches by sound. Most share Clarsie's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"famous, renowned"
"renowned warrior"
"faith"
"from the kingdom of Lothar, from the Lorraine region"
"possibly from Clara, meaning bright and clear"
"from the land of the Franks, France"
"brave, valiant"
"Honey bee; sweet and industrious one"
"Supplanter"
"wagon maker, wagoneer, carter"
"queen, princess"
"One who tends or holds; occupational name related to tenner"
Similar sound: These names share phonetic patterns with Clarsie — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Clarsie.
Rhythm: Clarsie is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.