Xaden sits next to 4 phonetic neighbors — Zaiden, Jaiden, and Caiden are the closest matches by sound. Most share Xaden's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"invented modern name, no classical meaning"
"chess castle piece"
"crowned one, garland-wearer"
"sea fortress"
"high, exalted"
"fisherman"
"the foremost one"
"great tide, sea wave"
"rapid water"
"variant of Javion (possibly from Xavier — savior)"
"settlement of a sword-bearer"
"home ruler, power"
"modern invented name"
"deer meadow"
"relating to flight, skyward"
"counsel, decision"
"God helps"
"thankful"
"advice, counsel"
"crooked nose"
"God saves"
Similar sound: These names share phonetic patterns with Xaden — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Modern American origins, giving them the same cultural heritage as Xaden.
Rhythm: Xaden is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.