Sublime sits next to 3 phonetic neighbors — Simone, Selene, and Sublime are the closest matches by sound. Most share Sublime's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"elevated, lofty, awe-inspiring"
"bird"
"bird-like, like a bird in flight"
"starry one"
"mythical bird of rebirth and immortality"
"counsel, elves (from Avery root)"
"great brightness, exceptional intelligence"
"beautiful devotion"
"dear one, beloved friend"
Similar sound: These names share phonetic patterns with Sublime — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Sublime.
Rhythm: Sublime is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.