Jordon sits next to 3 phonetic neighbors — Jordan, Gordon, and Jourdan are the closest matches by sound. Most share Jordon's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"flowing river"
"short form of Christopher"
"from the Savoy region (French place name)"
"swift, quick"
"dark, coal-black"
"dark, swarthy (from Irish Dubhán)"
"power of the homeland"
"modern invented name"
"volcanic tuff (durable rock)"
"grace of God"
"calm, depth, trust"
"completion, eternity"
"to shine, emit light"
"firebrand, burning sword"
"hay enclosure dweller"
"protector of mankind"
"God raises up"
"of the highest power or authority"
"of Rudolf Diesel; fuel-powered engine"
"high and mighty, chief"
"strong, healthy"
Similar sound: These names share phonetic patterns with Jordon — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Jordon.
Rhythm: Jordon is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.