Kuan sits next to 3 phonetic neighbors — Quan, Guan, and Kwan are the closest matches by sound. Most share Kuan's Chinese cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"generous, magnanimous"
"descent; he who descended"
"father of multitudes (variant of Avram)"
"ring-wearer, one who wears rings"
"gentleman of rank, minor nobleman"
"Of the bird; one who soars freely. A rare name of Latin and Spanish..."
"divine, heavenly one"
"lord; ruler"
Similar sound: These names share phonetic patterns with Kuan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Chinese origins, giving them the same cultural heritage as Kuan.
Rhythm: Kuan is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.