Saint sits next to 4 phonetic neighbors — Sane, Sainte, and Sage are the closest matches by sound. Most share Saint's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"set apart, sanctified"
"moonlight halo"
"battle-alert"
"hay meadow, hayfield clearing"
"princess of God"
"helper"
"divine, godly"
"snow"
"God is exalted, God is the Lord"
"harmony, peace, concord"
"slender, lean"
"industrious, working, rival (via Germanic Amelia)"
"gentle horse"
"one of a pair, born together"
"rye meadow, rye clearing"
"traditional flat sandal (object, not name meaning)"
"successful, prosperous"
"modern invented name"
"fairy, enchanted being"
"lime tree meadow"
"modern melodic invented name, variant of Kehlani"
Similar sound: These names share phonetic patterns with Saint — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Saint.
Rhythm: Saint is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.