Elsi sits next to 5 phonetic neighbors — Elsie, Elsa, and Elsey are the closest matches by sound. Most share Elsi's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"my God is abundance or my God is an oath"
"Strong lord, mighty ruler"
"grace, favor"
"star"
"dawn, daybreak"
"pearl"
"cool breeze"
"meadow or woodland clearing"
"meadow, clearing"
"God is gracious"
"to float, calm water"
"pure"
"tortoise, ancient clan"
"firm belief, confidence, reliance"
"myrtle tree"
"Bright, shining light; torch"
"noble kind, of noble birth"
"Derived from McKenzie; son of the fair one"
"fair one, bright hero"
"lioness, brave as a lion"
"lake, waterfall"
Similar sound: These names share phonetic patterns with Elsi — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Elsi.
Rhythm: Elsi is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.