Royale sits next to 4 phonetic neighbors — Royal, Royce, and Royston are the closest matches by sound. Most share Royale's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"of royal lineage, kingly"
"king"
"air, breath of life"
"great (via Chinese Quan)"
"youth-producing"
"victory of the people"
"my flock belongs to God"
"bear"
"descendant of the spirited one"
"all right, in harmony"
"from the white settlement"
"rock, stone"
"farmer, peasant landholder"
"one who understands, expert"
"settlement near rye fields"
"modern invented name, variant of Cole/Colson"
"the white one, fair"
"he who holds firm the good"
"creative American original"
"ruler of the people"
"from the fortress"
Similar sound: These names share phonetic patterns with Royale — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old French/Latin regalis origins, giving them the same cultural heritage as Royale.
Rhythm: Royale is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.