Keane sits next to 4 phonetic neighbors — Keen, Kane, and Kean are the closest matches by sound. Most share Keane's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
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"ancient, enduring"
"benevolence, humaneness"
"flower"
"descendant of Donndubhan"
"wolf cub"
"noble friend, old friend"
"westward direction"
"character name meaning transformation and power"
"victory of the people (through Nicholas derivation)"
"raven sword, renowned with the blade"
"fabric finisher (occupational)"
"Western cowboy hat, frontier spirit"
"name of the sacred river in Arcadia"
"landholder, lord"
"dawn, new beginning"
"wood-dweller"
"victory"
"strength, authority, force"
"modern invented name"
"clearing in the forest"
"symbol of wisdom and knowledge"
Similar sound: These names share phonetic patterns with Keane — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Irish cían origins, giving them the same cultural heritage as Keane.
Rhythm: Keane is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.