Cypher sits next to 4 phonetic neighbors — Cipher, Sifer, and Ryder are the closest matches by sound. Most share Cypher's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"zero, the concept of nothing"
"who is like God"
"from the rocky settlement"
"forest meadow"
"hollow, vain (from Latin Cassius)"
"protector of people"
"one who finds the way, wayfinder"
"from the tree stump clearing"
"stony ford"
"love, passion"
"short form of Beckett (bee cottage)"
"speckled, spotted"
"Yahweh saves"
"bright-headed"
"black, dark-featured"
"from the wooded hollow"
"combination of strong/complete and my God is Yahweh"
"from the borough farm"
"Yahweh is gracious"
"invented, unique (no established meaning)"
Similar sound: These names share phonetic patterns with Cypher — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Arabic via Latin origins, giving them the same cultural heritage as Cypher.
Rhythm: Cypher is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.