Adelyn sits next to 5 phonetic neighbors — Adeline, Adalyn, and Madelyn are the closest matches by sound. Most share Adelyn's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"harmony, peaceful, beautiful"
"noble, kind"
"noblewoman, lady"
"lion of God"
"fair; beautiful; harmonious"
"one who resembles God"
"calm, peaceful"
"sea ruler"
"adornment, ornament"
"youthful, downy"
"young, vital"
"faith"
"divine, celestial"
"rule, sovereignty"
"sea of bitterness"
"God is my Lord, God's grace"
"bent river"
"from California (geographic)"
"laurel, symbol of victory"
"knotted cord"
Similar sound: These names share phonetic patterns with Adelyn — similar vowel sounds, consonant clusters, or rhythm.
Rhythm: Adelyn is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.