Ronin sits next to 4 phonetic neighbors — Roman, Ronan, and Rowan are the closest matches by sound. Most share Ronin's Japanese cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"masterless samurai"
"phonetic American invention"
"always powerful"
"valiant, brave"
"divine, god-like"
"noble"
"passion, fire"
"Yahweh is my flame"
"world-mighty"
"steadfast, firm"
"strength, manly beauty"
"wealthy companion"
"narrow strait, channel"
"beautiful friend, fair friend"
"wise person"
"lying flat (large book)"
"greater, superior"
"dear one of God"
"son of Egan, little fire"
"God the highest (variant interpretation)"
Similar sound: These names share phonetic patterns with Ronin — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Japanese origins, giving them the same cultural heritage as Ronin.
Rhythm: Ronin is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.