Kavan sits next to 4 phonetic neighbors — Kevin, Evan, and Gavin are the closest matches by sound. Most share Kavan's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"handsome, gentle, kind"
"son of the servant of John"
"ancient one"
"noble, famous"
"fair-haired hero"
"island"
"my angel, my envoy"
"holy, divine"
"fair, blessed"
"peace, purity"
"fair, beautiful"
"lord, master"
"lover of churches, church devotee"
"handsome son"
"son of Aodh (fire, sun)"
"ruler of the army (via Walter)"
"slender, narrow"
Similar sound: These names share phonetic patterns with Kavan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Irish Gaelic origins, giving them the same cultural heritage as Kavan.
Rhythm: Kavan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.