Kennan sits next to 5 phonetic neighbors — Kenan, Keenan, and Kenneth are the closest matches by sound. Most share Kennan's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"possession, acquired"
"one thousand million, immense wealth"
"goodness of God"
"resin, tree sap (unrelated etymology)"
"One who drives; hunter"
"vigilant, watchful"
"of legend, mythic, extraordinary"
"Modern blend of Jason and Zion"
"God has remembered"
"born on Thursday (Kwan element)"
"royal and bold"
"of the faith, religion"
"the Lord is righteous"
"bringer of treasure (of the Magi)"
"noble ruler"
"spring of water, water gift"
"wealthy protector"
"of the spring, from greatness"
"large homestead, big village"
"independent, unbranded — named after Samuel Maverick whose cattle w..."
Similar sound: These names share phonetic patterns with Kennan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Hebrew origins, giving them the same cultural heritage as Kennan.
Rhythm: Kennan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.