Aero sits next to 4 phonetic neighbors — Arrow, Aro, and Aero are the closest matches by sound. Most share Aero's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"air, atmosphere"
"to rise above, to stand out"
"peacock"
"grace, eternal, unfading"
"blessing, miracle"
"variant of Everett — brave, strong boar"
"beautiful princess"
"grace, favored"
"Night; dark beauty (elaboration of Layla)"
"noble meadow"
"beloved"
"Blend of Dee and Asia; gift or joy"
Similar sound: These names share phonetic patterns with Aero — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek origins, giving them the same cultural heritage as Aero.
Rhythm: Aero is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.