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"
"friend, ally"
"discerning, perceptive"
"God is gracious"
"oarsman, rower"
"son of the heart/mind"
"born of light"
"the smallest unit of matter"
"lion"
"strong, healthy"
"great lord"
"courageous, fearless"
"handsome youth"
"uncertain; possibly Romani personal name with regional meaning"
"hardworking; powerful"
"dweller by the gates"
"powerful, excellent, good feeling"
"modern American coinage"
"just, righteous"
"rust-colored, reddish-brown"
"man, mankind, mortal"
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.