Ripken sits next to 5 phonetic neighbors — Rikken, Rippen, and Kipken are the closest matches by sound. Most share Ripken's Low German toponym-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"from the rippling water"
"forest, wood, timber"
"bright, brilliant"
"from the spring or well"
"recompense of God"
"valley of the River Kent"
"pool near the elm tree"
"brilliant, luminous one"
"son of Morris/Maurice"
"earth (via Gaia connection)"
"army ruler (from Harold/Harald)"
"modern American creation, gentle (from Kevin root)"
"strength, honor"
"variant of Kylo; possibly from Greek kylos"
"yellow, slender"
"famous shouter, distinguished one"
"son of Mart (Martin)"
"little poet; philosopher"
"morning glory, morning well (depending on kanji)"
"long-lived, permanent"
"priceless, flourishing (via Anthony/Antonius)"
Similar sound: These names share phonetic patterns with Ripken — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Low German toponym origins, giving them the same cultural heritage as Ripken.
Rhythm: Ripken is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.