Art sits next to 4 phonetic neighbors — Arthur, Hart, and Bart are the closest matches by sound. Most share Art's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"bear king"
"shepherd, sheep herder"
"settlement of Holston, holly stone homestead"
"from the Muscogee (Creek) Nation"
"modern variant of Milan/Milen"
"peaceful town"
"God persists, God will prevail"
"modern invented name, creative variant"
"golden, gilded"
"pure, innocent"
"stag's clearing"
"belonging to the Lord"
"modern invented name, possibly eight (from Octavian)"
"beauty, goodness"
"modern invented name in the -aiden family"
"from the rose field"
"elevated, sublime, lofty"
"woodland clearing, meadow"
"abbot, religious father"
"hunter"
"joyful, jovial (from the same root)"
Similar sound: These names share phonetic patterns with Art — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Celtic (artos) origins, giving them the same cultural heritage as Art.
Rhythm: Art is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.