Dakota sits next to 3 phonetic neighbors — Dekotah, Dacotah, and Savannah are the closest matches by sound. Most share Dakota's Sioux/Lakota language-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"friendly one, ally"
"rowan tree (mountain ash)"
"heavenly ascent, to rise"
"alluring, enchanting"
"afloat, calm as still waters"
"tower; watchtower"
"lily flower; pure"
"work-power, industrious strength"
"birthday (of the Lord)"
"ember, smoldering remnant"
"of noble birth"
"sleeping vision, aspiration"
"devoted to God"
"dark-haired, dark"
"one who will rise again"
"heavenly, exalted, high"
"woodland clearing by a church"
"holly tree"
Similar sound: These names share phonetic patterns with Dakota — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Sioux/Lakota language origins, giving them the same cultural heritage as Dakota.
Rhythm: Dakota is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.