Tulsa sits next to 4 phonetic neighbors — Elsa, Talsa, and Marsa are the closest matches by sound. Most share Tulsa's Creek/Muscogee-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"old town"
"heavenly, sky (from lani)"
"none comparable to God"
"invented American name, modern creation"
"courageous; descendant of Raghallach"
"water, spring"
"valley (glen) + feminine suffix"
"inspired by Nairobi, Kenya"
"tumult, outcry, noise"
"ascending, uplifted by God"
"slender, fair"
"God is my help"
"combination of Renee (reborn) and Mae (spring month, goddess)"
"of the church"
"mighty, powerful"
"who is like God"
"woman from Magdala"
"noble meadow"
"place of white wood or white stones"
"beautiful moon"
"broken land, marsh"
Similar sound: These names share phonetic patterns with Tulsa — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Creek/Muscogee origins, giving them the same cultural heritage as Tulsa.
Rhythm: Tulsa is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.