Ronan sits next to 3 phonetic neighbors — Roman, Ronin, and Conan are the closest matches by sound. Most share Ronan's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"little seal"
"keeper of the pantry"
"modern coinage combining Jay + Len"
"oak tree meadow"
"great well"
"follower of Christ"
"high, elevated"
"God is gracious"
"God has remembered"
"fair, white, bright"
"one who carries the divine"
"cart driver"
"of the bean growers (Fabii clan)"
"healer"
"protector of mankind"
"of Mars, warlike"
"gift of God"
"wealthy guardian"
"rising in the sky, boundary"
"huntsman, pursuer"
Similar sound: These names share phonetic patterns with Ronan — 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 Ronan.
Rhythm: Ronan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.