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"
"divine, heavenly"
"sea of bitterness, beloved"
"valiant; brave"
"crown"
"modern invented name blending Naila with melodic -ea ending"
"tower, elevated place"
"God is my fire"
"modern invented name, possibly related to vale (valley)"
"elf ruler, noble and bright"
"God is my help"
"white ring, blessed ring"
"beautiful song"
"whitish, fair"
"moon, moon goddess"
"follower of Demeter"
"who is like God?"
"exalted princess"
"high tower"
"to give thanks, to be grateful"
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.