Karissa sits next to 4 phonetic neighbors — Carissa, Clarissa, and Marissa are the closest matches by sound. Most share Karissa's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"grace, kindness"
"beloved, grace"
"the awaited one"
"jasmine flower"
"creative feminine form combining Julia and -issa suffix"
"homestead by the stream"
"of great value, beloved, cherished"
"modern invented combination name"
"free-flowing"
"diminutive of Philippa/Filippa"
"woman from Magdala"
"high-born, sublime"
"king's meadow, royal clearing"
"from Arcy (place in Normandy)"
"beloved, dear"
"star-shaped flower"
"blessed peacemaking, holy reconciliation"
"of the clan of Bricius"
"invented name, meaning given by parents"
"Ireland"
Similar sound: These names share phonetic patterns with Karissa — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Karissa.
Rhythm: Karissa is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.