Ken sits next to 4 phonetic neighbors — Kent, Kevin, and Kendall are the closest matches by sound. Most share Ken's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"handsome, born of fire"
"sun and sea (Hawaiian compound)"
"red warrior, son of the red warrior"
"to care for, to cherish"
"sacred name"
"guardian, protector (by extension)"
"highest point, mountaintop"
"writing tablet, fresh start"
"fame, glory (folk etymology)"
"from the heathland"
"bearer of Christ"
"hidden store, treasure"
"Yahweh has given"
"of royal lineage, kingly"
"high and mighty, chief"
"ruler of the people"
"God is my judge"
"place of the birch trees"
"fair, lawful"
"consecrated, dedicated to God"
Similar sound: These names share phonetic patterns with Ken — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Scottish Gaelic origins, giving them the same cultural heritage as Ken.
Rhythm: Ken is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.