Kayvon sits next to 3 phonetic neighbors — Kevin, Kavon, and Devon are the closest matches by sound. Most share Kayvon's Persian-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"Saturn (planet), ancient and wise"
"universe, cosmos"
"eagle, swift and free"
"lucky, auspicious"
"beneficent, one who does good"
"desire, wish, longing"
"all of creation"
"noble, Aryan"
"satisfied, content, quenched"
"contentment, satisfaction"
"God is gracious, he will live"
"radiance, illumination"
"precious, incomparable"
"crusher, one who breaks (bread for others)"
"gentle breeze, fresh air"
"steadfast, resolute"
Similar sound: These names share phonetic patterns with Kayvon — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Persian origins, giving them the same cultural heritage as Kayvon.
Rhythm: Kayvon is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.