Ewan sits next to 4 phonetic neighbors — Owen, Ivan, and Ethan are the closest matches by sound. Most share Ewan's Scottish cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"well-born, noble"
"born of fire (head of fire)"
"wealthy protector"
"little Aodh (fire deity)"
"holy river"
"strong-willed warrior"
"from the Isle of Tiree, land of corn"
"who is like God (via Michael)"
"sculptor, craftsman"
"coastal land, border land"
"from Germany"
"messenger of God"
"little seal"
"brave spear, strong with a spear"
"handsome, radiant one"
"God is gracious (John root)"
"famous through noble birth"
"tumult, noise"
"winding river"
"reputation, esteem"
"no one equals God"
Similar sound: These names share phonetic patterns with Ewan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek via Latin origins, giving them the same cultural heritage as Ewan.
Rhythm: Ewan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.