Tara sits next to 4 phonetic neighbors — Sara, Cara, and Kira are the closest matches by sound. Most share Tara's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"rocky hill, hill of kings"
"friend"
"beautiful friend"
"God has answered"
"noble, bright power"
"queen of orchids (named after William Cattley)"
"reborn, born again"
"moon, moonlike"
"one who carries goods"
"dark beauty"
"little Alice, noble truth"
"pet form of Sarah"
"praised, she will be praised"
"one who follows the right path"
"hillside meadow"
"lady, mistress"
"descendant of Cathasach"
"canopy of leafy boughs"
"ascending, elevated"
"one who gathers information, explorer"
"sunlight, moon (alternate etymology)"
Similar sound: These names share phonetic patterns with Tara — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Celtic origins, giving them the same cultural heritage as Tara.
Rhythm: Tara is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.