Megan sits next to 3 phonetic neighbors — Meghan, Morgan, and Reagan are the closest matches by sound. Most share Megan's Welsh cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"pearl"
"high tower"
"my God has answered"
"new beginning"
"my God is Yahweh"
"great, majestic"
"from Quincy, France"
"bright, shining one"
"soft, gentle, delicate"
"fragrant spice"
"made of gold, golden"
"earth, great mother"
"elevated one, tower"
"my God has answered"
"from Ireland, Ireland"
"genuine, authentic, faithful, loyal"
"lord, master"
"rival, eager"
"fair, pleasant companion"
"the burning ones, highest angels"
"bright, shining light"
Similar sound: These names share phonetic patterns with Megan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek via Welsh origins, giving them the same cultural heritage as Megan.
Rhythm: Megan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.