Kenneth sits next to 3 phonetic neighbors — Kevin, Keith, and Kendall are the closest matches by sound. Most share Kenneth's Scottish cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"handsome; fair one"
"occupational name for an archer or bowman"
"divine healer"
"the herb sage"
"the jay bird, blue jay"
"messenger of God"
"Frankish person"
"son of the king"
"strength, dominance"
"griffin (mythical lion-eagle creature)"
"gravelly homestead"
"modern creative variant of Zaire"
"son of Jack"
"strong and brave"
"bright fame"
"mythical bird of rebirth"
"angel; messenger of God"
"bold power, chief ruler"
"God has remembered"
"son of the beloved one"
"raven hill"
Similar sound: These names share phonetic patterns with Kenneth — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Scottish Gaelic (Coinneach) origins, giving them the same cultural heritage as Kenneth.
Rhythm: Kenneth is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.