Lilja sits next to 5 phonetic neighbors — Lily, Lilya, and Leila are the closest matches by sound. Most share Lilja's Old Norse-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"lily flower"
"Diminutive form of Eleanor, bright and compassionate"
"pledged to God, God is my oath"
"goddess of wisdom and poetry"
"bright, shining light"
"fair, white, blessed"
Similar sound: These names share phonetic patterns with Lilja — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Norse origins, giving them the same cultural heritage as Lilja.
Rhythm: Lilja is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.