Roen sits next to 4 phonetic neighbors — Rowan, Owen, and Cohen are the closest matches by sound. Most share Roen's Scandinavian cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"red-haired, little redhead"
"from Galloway"
"one who shines, illuminates"
"ruler of the home"
"fair, white, bright"
"row of trees by the wood"
"resolute fame, desired renown"
"tempest, violent storm"
"a natural watercourse"
"elder, one of authority"
"youthful, downy-bearded (first beard)"
"may God protect"
"incomparable to God"
"to heal (if derived from Jason)"
"my help is God"
"bald, little bald one"
"a day's travel, expedition"
"little fire"
"modern American creation"
"from the forest, woodland dweller"
"held by the heel"
Similar sound: These names share phonetic patterns with Roen — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Norse/Gaelic origins, giving them the same cultural heritage as Roen.
Rhythm: Roen is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.