Aedan sits next to 3 phonetic neighbors — Aiden, Aden, and Edan are the closest matches by sound. Most share Aedan's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
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"little fire"
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"wolf"
"heart"
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"brilliant, shining"
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"western meadow, western clearing"
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"wine's town, friend's settlement"
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"hilltop settlement of the friend"
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"surname-origin given name"
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Similar sound: These names share phonetic patterns with Aedan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old Irish origins, giving them the same cultural heritage as Aedan.
Rhythm: Aedan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.