Carissa sits next to 4 phonetic neighbors — Clarissa, Karissa, and Marissa are the closest matches by sound. Most share Carissa's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"grace, kindness"
"heathland, hay valley"
"dark, dark-haired"
"God is my refuge"
"of Delos, born under Apollo's light (via Greek Delia)"
"bright, shining light"
"feminine form of Claudius"
"to speak kindly, to order"
"ancient, enduring"
"little rose"
"sports stick, implement"
"meadow of pearls"
"slender, fair"
"brave as a lion"
"beautiful, graceful"
"snow, frozen precipitation"
"hazel tree, nut-bearing shrub"
"meadow of Kay"
"creative blend name"
"broad island (alternative etymology)"
"snow"
Similar sound: These names share phonetic patterns with Carissa — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Carissa.
Rhythm: Carissa is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.