Aster sits next to 3 phonetic neighbors — Asher, Castor, and Lester are the closest matches by sound. Most share Aster's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"star"
"son of the rock"
"one who sails, mariner"
"God has heard"
"son of Dick, son of Richard"
"he laughs, he will laugh"
"brilliant, shining"
"honorable"
"modern invented name"
"garden of God, orchard"
"descendant of the fair one"
"divine, godlike"
"modern invented name, associated with key and warrior elements"
"short form of Tyler or Tyson"
"conquering, victorious"
"firm, unwavering"
"deer, stag"
"of Mars, warlike"
"independent one, unbranded steer, nonconformist"
"church"
"thank you, grateful"
Similar sound: These names share phonetic patterns with Aster — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Ancient Greek origins, giving them the same cultural heritage as Aster.
Rhythm: Aster is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.