Clarissa sits next to 4 phonetic neighbors — Clara, Clarisa, and Melissa are the closest matches by sound. Most share Clarissa's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"bright, clear, famous"
"star of the sea"
"precious gem"
"noble, high meadow"
"power of the household"
"white, holy, blessed ring"
"ruler of the elves"
"friend"
"holly tree"
"glowing ember, smoldering fire"
"pure, holy, chaste"
"noble, bright power"
"noble, eagle"
"child of light"
"son of Maud, mighty in battle"
"night"
"messenger of the gospel"
"ash tree meadow"
"dyer of red cloth"
"dove"
"God is my joy"
Similar sound: These names share phonetic patterns with Clarissa — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin clarus origins, giving them the same cultural heritage as Clarissa.
Rhythm: Clarissa is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.