Adelaine sits next to 4 phonetic neighbors — Adelaide, Adeline, and Adaline are the closest matches by sound. Most share Adelaine's French-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"noble"
"noble, bright"
"of the sun, solar"
"creative feminine variant of Kendal"
"holy, devoted (via Saint John Vianney)"
"gift, precious one"
"from Tullius (Latin family name)"
"blooming, young green shoot"
"valley of the River Kent"
"joyful, full of joy"
"modern American creation; jade-colored stone"
"bluish, pale purple"
"beautiful rose"
"noble, honorable"
"bright, shining one"
"apricot blossom"
"lively, spirited"
"pure love, pure affection"
"settlement of Ella's people"
"from the surname Payson, New England Puritan heritage"
"woodland meadow clearing"
Similar sound: These names share phonetic patterns with Adelaine — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Germanic origins, giving them the same cultural heritage as Adelaine.
Rhythm: Adelaine is a 4-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.