Heavenly sits next to 3 phonetic neighbors — Heaven, Evenly, and Beverly are the closest matches by sound. Most share Heavenly's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"of heaven, divine, celestial"
"a precious green gemstone prized for protection and luck"
"rowan tree, protection"
"beautiful"
"lake (suffix -lyn from Welsh)"
"gift of God"
"Scottish one, from Scotland"
"white phantom, fair one"
"descendant of Rian"
"moon"
"goddess, divine woman"
"rhythm, musical flow, beat"
"gentle, delicate"
"from the marshy ground"
"fierce, powerful one"
"might in battle"
"noble father's daughter"
"child of the earth"
"black gemstone with white bands"
"night angel"
"eternal beauty, unfading"
Similar sound: These names share phonetic patterns with Heavenly — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Old English origins, giving them the same cultural heritage as Heavenly.
Rhythm: Heavenly is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.