Jamie sits next to 3 phonetic neighbors — James, Jimmy, and Jamison are the closest matches by sound. Most share Jamie's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"supplanter"
"ruler, sovereign (from Julius Caesar's name)"
"descendant of the sea warrior"
"God is my judge"
"fighter"
"God has heard"
"son, born of"
"son of David"
"the cleansing one"
"little cloak, beloved"
"bold counsel"
"son of the lion"
"genuine, honest, without deceit"
"descendant of Dorus, Dorian Greek"
"messenger, herald"
"Yahweh has shown favor"
"twin"
"rowan tree (mountain ash)"
"record keeper"
"of the ancient Roman Cassia gens"
"master of inspired frenzy"
Similar sound: These names share phonetic patterns with Jamie — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Jamie.
Rhythm: Jamie is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.