Jordin sits next to 3 phonetic neighbors — Jordan, Jordon, and Gordon are the closest matches by sound. Most share Jordin's Hebrew-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"flowing river"
"bright-headed"
"firebrand, burning stick"
"Creative African American name; strong and distinctive"
"ruler of the people"
"son of Rath (prosperity)"
"the sun, solar light"
"poet, philosopher, wise man"
"holly tree"
"bright, enlightened"
"may God protect"
"ordained minister's helper"
"possibly twin (via Tavish connection)"
"desiring peace, will and peace"
"son of Cadán, little battle"
"of the mountain, from the mountain"
"God is gracious (via Sean)"
"beauty, grace"
"God has hidden, protected by God"
"from the tree stump clearing"
Similar sound: These names share phonetic patterns with Jordin — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Jordin.
Rhythm: Jordin is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.