Reagan sits next to 4 phonetic neighbors — Regan, Raegan, and Megan are the closest matches by sound. Most share Reagan's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"little ruler, impulsive one"
"crowned one"
"intoxicating one, mead-like"
"purity, grace"
"brave, strong"
"jade stone, precious green gemstone"
"myrtle leaf"
"remedy, cure"
"earth"
"Magnol's flower, magnificent bloom"
"noble kind, of noble birth"
"wise child"
"lily flower, pure"
"born at dawn"
"night"
"bright, shining light"
"grace, favor of God"
"young ceremonial attendant"
"south farm"
Similar sound: These names share phonetic patterns with Reagan — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Irish Gaelic origins, giving them the same cultural heritage as Reagan.
Rhythm: Reagan is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.