Kalena sits next to 4 phonetic neighbors — Alena, Selena, and Marlena are the closest matches by sound. Most share Kalena's Hawaiian cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"pure, chaste"
"little fire, descendant of the fiery one"
"heavenly calm, noble tranquility"
"princess (via Amira)"
"God is gracious"
"whole, universal (Emma) + meadow (Lee)"
"evening, twilight"
"pure"
"little dark one"
"noble strength"
"noble kind"
"free woman"
"envious (alternative etymology)"
"pledged to God"
"fair champion"
"God answered, God has spoken"
"spiritual perfection"
"of the lake, water"
"work-ruler, powerful one; Emery's child"
"grace from the meadow"
"little son, boy"
Similar sound: These names share phonetic patterns with Kalena — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hawaiian/Greek via Karen origins, giving them the same cultural heritage as Kalena.
Rhythm: Kalena is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.