Siah sits next to 4 phonetic neighbors — Isaiah, Ziah, and Sia are the closest matches by sound. Most share Siah's Hebrew-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"God is salvation"
"salutation, act of bowing"
"ray of light, counsel"
"Han dynasty, Chinese people"
"exalted, Roman"
"modern invented name with visual and phonetic impact"
"Dutch/Scandinavian spelling of Isaac from Yitzchak"
"possibly related to Old Norse Olaf (ancestor's relic)"
"creative spelling of Legend (things to be read, from Latin legenda)"
"he who grasps the heel"
"noble and ready"
"young male, beloved son"
"spirit of battle"
"sea/pure/rejoice (Kai) + son of (-sen)"
"sea, ocean (from the Kai element)"
"son of Jan"
"praise (from Hallelu)"
"fresh, new"
"little fire"
"navigator, guide"
Similar sound: These names share phonetic patterns with Siah — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Siah.
Rhythm: Siah is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.