Royal sits next to 4 phonetic neighbors — Roy, Loyal, and Joel are the closest matches by sound. Most share Royal's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"kingly, of royal blood"
"son of Jove, divine descent"
"people's victory"
"crow, dark bird"
"spear of God (from Oscar)"
"lover of horses"
"sun, throne"
"son of marsh-dwellers"
"elder, more important"
"son of Kay"
"rest, repose"
"dispenser of provisions, household steward"
"from Dax, town settlement"
"dweller near the ridge"
"record keeper"
"rich friend, prosperous friend"
"black gemstone"
"mill worker, grain grinder"
"high-spirited person"
"glorious fighter"
Similar sound: These names share phonetic patterns with Royal — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have English origins, giving them the same cultural heritage as Royal.
Rhythm: Royal is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.