Ewen sits next to 4 phonetic neighbors — Ewan, Owen, and Evan are the closest matches by sound. Most share Ewen's Scottish cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"born of yew tree"
"God is gracious"
"from Courtenay (place in France)"
"sword people, stone-knife people"
"son of Adam"
"glorious protector (as diminutive of Branislav)"
"truth, sound"
"cloud"
"from the heathland"
"bearer of Christ"
"God has given, gift of God"
"Carl's island or stronghold"
"spark, smoldering fire"
"fertile valley dweller"
"tough, strong, resilient"
"payment, brow, forehead"
"wolf power, strong guardian"
"slender, narrow"
"ancestors relic, heir"
"well-digger"
"of royal lineage, kingly"
Similar sound: These names share phonetic patterns with Ewen — 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 Ewen.
Rhythm: Ewen is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.