Saviour sits next to 3 phonetic neighbors — Savior, Xavier, and Javier are the closest matches by sound. Most share Saviour's Latin-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"rescuer, redeemer"
"jay bird + Latin -ian suffix"
"belonging to Christ"
"God is gracious"
"Bel (the lord) protect the king"
"song, joy"
"victory of the people"
"of the moon, lunar"
"from the place called Jersey"
"land of Eoghan (Owen)"
"star"
"Wine's hill, friend's hill"
"powerful, warrior"
"thankful"
"surname-to-given-name transfer"
"earth"
"son of Piers (Peter)"
"short form of Tyler or Tyson"
"son of Dick, son of Richard"
"western meadow, western clearing"
"song, nightingale"
Similar sound: These names share phonetic patterns with Saviour — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Saviour.
Rhythm: Saviour is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.