Riven sits next to 3 phonetic neighbors — Raven, Vivien, and Liven are the closest matches by sound. Most share Riven's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"split, torn asunder"
"pure (via Katherine root)"
"row of houses or hedgerow"
"fleet of ships, navy blue"
"helmeted chief"
"exalted princess"
"beloved, darling"
"soldier"
"little rock"
"Kensington meadow"
"member of the Gauts tribe"
"daughter"
"cleanness, freedom from sin"
"life of Zeus; gift of the gods"
"small church, place of worship"
"willow meadow, willow clearing"
"dearly loved"
"exalted, high, noble"
"alluring, enticing"
"noble, nobility"
"young deer"
Similar sound: These names share phonetic patterns with Riven — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English origins, giving them the same cultural heritage as Riven.
Rhythm: Riven is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.