Blaise sits next to 4 phonetic neighbors — Blaze, Blake, and Chase are the closest matches by sound. Most share Blaise's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"stammering, lisping"
"luminous circle, sacred light"
"pierces the valley"
"reed island, island near the clearing"
"bright fame"
"God has remembered, remembered by God"
"forest keeper, forester"
"from the marshy plain"
"of the Terentius clan"
"voice of God"
"new house (place name)"
"Zion variant, promised land"
"dragon, serpent"
"permanent, steadfast"
"great, venerable"
"king of birds (folkloric)"
"slender, bright-headed"
"wealthy guardian"
"bold place, wild settlement"
"wolf counsel"
"hater of injustice"
Similar sound: These names share phonetic patterns with Blaise — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin Blasius origins, giving them the same cultural heritage as Blaise.
Rhythm: Blaise is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.