Destiny sits next to 3 phonetic neighbors — Destiny (girl), Destin, and Destan are the closest matches by sound. Most share Destiny's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"fate, destined path, divine purpose"
"one who lives near a bend; from the bend"
"free man, manly"
"variant of Denis, of Dionysus"
"noble kind, of noble birth"
"gift, blessing"
"settlement by the valley"
"appointed, placed"
"tomorrow"
"invented American name with -elvin family phonetic pattern"
"prince, chieftain"
"dark, rich"
Similar sound: These names share phonetic patterns with Destiny — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old French destinee, Latin destinare origins, giving them the same cultural heritage as Destiny.
Rhythm: Destiny is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.