Artur sits next to 3 phonetic neighbors — Arthur, Arturo, and Artur are the closest matches by sound. Most share Artur's Portuguese-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"bear king"
"divine light"
"favored by the gods, blessed"
"famous land, renowned in the land"
"grace of Melqart (Carthaginian god)"
"God's gift"
"nobleman"
"sun god"
"of the earth, earth-born"
"merciful, gentle, mild"
"destroyer"
"lover, one who loves"
"laurel tree"
"from Nazareth"
"great peace"
"of the coin, of money"
"God is gracious"
"son of Denis"
"dearly loved"
Similar sound: These names share phonetic patterns with Artur — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Celtic origins, giving them the same cultural heritage as Artur.
Rhythm: Artur is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.