Astraea sits next to 4 phonetic neighbors — Astrea, Astra, and Astraia are the closest matches by sound. Most share Astraea's Greek-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"starry, relating to stars"
"fragrant bark"
"beneficent, good"
"phonetic initialism (J.C.)"
"like a bird, birdlike"
"the tall one, the great one"
"divine, heavenly"
"female monarch, sovereign ruler"
"the state of being divine or sacred"
"night rain"
"court dweller"
"from the fairy palace (variant of Sheila/Síle)"
"evergreen; immortality"
"orange tree"
"Irish form of Joan/Jean"
"pearl"
"sea and sky (poetic)"
"God has helped, comforted by God"
"fortified hill"
"jasmine flower"
"bright, shining light"
Similar sound: These names share phonetic patterns with Astraea — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Astraea.
Rhythm: Astraea is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.