Susian sits next to 4 phonetic neighbors — Susan, Susanna, and Lucian are the closest matches by sound. Most share Susian's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"Lily; rose; from Hebrew Shoshana"
"God is gracious"
"harvester, reaper"
"follower of Christ, Christian woman"
"free one, from France"
"combination of dear + beautiful valley"
"joy; gladness"
"a plain, fertile land"
"anointed one (short form of Christina)"
"God is gracious"
Similar sound: These names share phonetic patterns with Susian — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Susian.
Rhythm: Susian is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.