Krista sits next to 4 phonetic neighbors — Christa, Kristin, and Kirsty are the closest matches by sound. Most share Krista's Scandinavian cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"follower of Christ, anointed"
"noble, exalted"
"light, radiance, beams of light"
"industrious, striving"
"elm tree"
"work, industrious, vigorous"
"scholar"
"strong in battle"
"ethereal fairy"
"eternal blossom, blooming flower"
"modern invented name"
"from Britain; British woman"
"miracle (if derived from Hebrew Nasia)"
"meadow, woodland clearing"
"little beloved one"
"land ruler, powerful ruler of the land"
"defender of the people"
"son of Maude (alternative etymology)"
"of God, belonging to the divine (from -iyah suffix)"
Similar sound: These names share phonetic patterns with Krista — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek via Latin origins, giving them the same cultural heritage as Krista.
Rhythm: Krista is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.