Elsie sits next to 3 phonetic neighbors — Elsa, Ellie, and Millie are the closest matches by sound. Most share Elsie's Scottish cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God is my oath"
"eternal, immortal"
"royal child of heaven"
"divine messenger"
"wisdom, inspiration"
"wise person, prophet"
"An English surname turned first name; popularized as a girl's name ..."
"night; dark beauty"
"high tower, elevated place"
"night"
"lion of God"
"breath of life, to breathe"
"high, lofty"
"lily flower, purity"
"wild boar meadow"
"industrious, hardworking"
"told by God, God has heard"
"Yahweh is gracious"
"noble, free-born youth in service of the temple"
"variant of Mary (beloved, bitter)"
"flowing body of water"
Similar sound: These names share phonetic patterns with Elsie — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew (via Scottish) origins, giving them the same cultural heritage as Elsie.
Rhythm: Elsie is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.