Larisa sits next to 4 phonetic neighbors — Larissa, Clarissa, and Marissa are the closest matches by sound. Most share Larisa's Russian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"citadel, fortress"
"stranger, foreigner"
"true, truthful"
"pure (linked to Katherine)"
"Of Apollo; belonging to Apollo"
"Resurrection, rising again"
"royal, kingly"
"bright, shining light"
"protector"
"Most holy"
"peaceful glory"
"grace, favor"
"blooming, young green shoot"
Similar sound: These names share phonetic patterns with Larisa — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Larisa.
Rhythm: Larisa is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.