Teresa sits next to 4 phonetic neighbors — Theresa, Therese, and Tessa are the closest matches by sound. Most share Teresa's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"summer"
"sweet-faced, graceful aspect of Durga"
"lord, master"
"bailiff, law officer, estate manager"
"gentle horse"
"grace, favor, sweetness"
"unique one"
"Tatas homestead, cheerful settlement"
"friend"
"independent one"
"rock, cliff"
"famous ruler"
"estate of the fifth son"
"lady, mistress"
"short form of Emma or Emilia"
"seaweed (edible)"
"strong clearing"
"my God is abundance"
"descendant of the king"
"rain, precipitation"
"sun goddess"
Similar sound: These names share phonetic patterns with Teresa — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Teresa.
Rhythm: Teresa is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.