Kayne sits next to 5 phonetic neighbors — Kane, Cain, and Lane are the closest matches by sound. Most share Kayne's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"battle, warrior chief"
"God is good"
"modern invented name"
"place by the wide ford"
"of the crow, raven-haired"
"adult male deer, stag"
"crooked, winding"
"the Lord saves"
"Charles's settlement"
"creative American coinage"
"free man"
"twin"
"beloved, darling"
"thunder"
"settlement near a tree stump"
"brave ruler"
"modern invented name, possibly meaning sky or zeal"
"beginning, origin, creation"
"my God (short for Elijah)"
"beam of light (via Ray)"
"nautical mile, measure of sea distance"
Similar sound: These names share phonetic patterns with Kayne — 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 Kayne.
Rhythm: Kayne is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.