Kyne sits next to 4 phonetic neighbors — Kyle, Kane, and Kline are the closest matches by sound. Most share Kyne's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"royal, kingly"
"tall, long"
"victory of the people (via Nicolas root)"
"burning brand, sword"
"king, ruler, sovereign"
"descent"
"rock, stone"
Similar sound: These names share phonetic patterns with Kyne — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English origins, giving them the same cultural heritage as Kyne.
Rhythm: Kyne is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.