Jovial sits next to 4 phonetic neighbors — Jovian, Julian, and Joel are the closest matches by sound. Most share Jovial's Latin-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"of Jove (Jupiter), cheerful and good-humored"
"New house or new home"
"sudden dash or rush"
"Little fire (as variant of Aidan)"
"Modern invented name with powerful, dynamic connotations"
"frozen water, crystalline coolness"
"from the white meadow"
"highest point, peak, summit"
"fat tail, referring to a grouping of stars"
"God has grasped"
"valley of pigs"
Similar sound: These names share phonetic patterns with Jovial — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Jovial.
Rhythm: Jovial is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.