Keyan sits next to 5 phonetic neighbors — Kian, Cian, and Keanu are the closest matches by sound. Most share Keyan's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"ancient, enduring, long-standing"
"sun"
"son of Robin, son of Robert"
"beloved"
"fighter, battle"
"occupational surname for a leather worker"
"strong as a hound"
"the color blue, sky"
"descendant of Braonán (moisture/sorrow)"
"pearl of wisdom"
"to rejoice, happy, glad"
"from Luca, of the light"
"God is gracious, Yahweh is gracious"
"Yahweh has saved"
"oak tree"
"of the night"
"the Lord is salvation"
"holy one (of Dewi/David)"
"bower, canopy of branches"
"rye clearing, wood clearer"
Similar sound: These names share phonetic patterns with Keyan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Irish origins, giving them the same cultural heritage as Keyan.
Rhythm: Keyan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.