Esaias sits next to 3 phonetic neighbors — Isaiah, Elias, and Silas are the closest matches by sound. Most share Esaias's Scandinavian cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God is salvation"
"so be it, truth, certainty"
"dweller in the woods"
"Yahweh has been gracious"
"my messenger, my angel"
"servant of Marduk"
"fruitfulness (of the land)"
"highlands, uplands"
"may He add another son"
"mild, merciful"
"God has made, made by God"
"Yahweh is kin"
"divine power, God's rule"
"son of good fortune, favored son"
"deer, hart"
"powerful ruler of the household"
"God is most high"
"one who catches fish"
"wholeness, completeness"
Similar sound: These names share phonetic patterns with Esaias — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Esaias.
Rhythm: Esaias is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.