Roland sits next to 3 phonetic neighbors — Ronald, Rowland, and Orlando are the closest matches by sound. Most share Roland's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"famous land, renowned territory"
"soldier"
"of the Caspian Sea"
"God is gracious"
"lover of hounds, hound-desiring"
"young creature, cub"
"lion man"
"Christmas (via French Noël)"
"great chief, eminent lord"
"ruler's counsel"
"little cloak, beloved"
"wise protector"
"to rule as monarch"
"immortal, divine"
"God is my strength"
"priceless one"
"protector of people"
"God is gracious"
"manly, brave"
"son of Will (William)"
Similar sound: These names share phonetic patterns with Roland — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old High German origins, giving them the same cultural heritage as Roland.
Rhythm: Roland is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.