Adler sits next to 4 phonetic neighbors — Asher, Archer, and Alder are the closest matches by sound. Most share Adler's German-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"eagle"
"supplanter, one who follows at the heel"
"venerable, revered"
"fragrant, sweet-smelling"
"follower/servant of Marduk (Babylonian deity)"
"faith, pledge"
"one who has made pilgrimage to the Holy Land"
"strong and courageous"
"my power is God"
"strength, permanence"
"belonging to Mars, the war god"
"council friend"
"courageous heart"
"prestige, luxury (cultural association)"
"heart brave"
"the bear"
"dark settlement"
"brook, running water"
"Trent's town, settlement on the Trent"
"praise through music"
"resolute, crafty"
Similar sound: These names share phonetic patterns with Adler — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old High German origins, giving them the same cultural heritage as Adler.
Rhythm: Adler is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.