Alioth sits next to 5 phonetic neighbors — Eliot, Elliott, and Alec are the closest matches by sound. Most share Alioth's Arabic-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"fat tail, referring to a grouping of stars"
"of the highest class or quality"
"sudden dash or rush"
"valley of pigs"
"Modern invented name with powerful, dynamic connotations"
"Bright and splendid"
"of Jove (Jupiter), cheerful and good-humored"
"from the white meadow"
"island; one who stands apart or is distinguished"
"Little fire (as variant of Aidan)"
"highest point, peak, summit"
"God has grasped"
"diamonds, brilliance (hip-hop slang)"
Similar sound: These names share phonetic patterns with Alioth — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Arabic origins, giving them the same cultural heritage as Alioth.
Rhythm: Alioth is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.