Legacy sits next to 4 phonetic neighbors — Legacy, Lacy, and Lacey are the closest matches by sound. Most share Legacy's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"inheritance, bequest"
"gray-haired one"
"Trent's town, settlement on the Trent"
"made by God"
"one who lives near the fens or marshes"
"stony meadow"
"benevolent warrior"
"joy, happiness"
"raven-like, dark as a raven"
"ruler of the people"
"divine might"
"heel, sharp point"
"always, at all times"
"God will provide, the Lord sees"
"gentle breeze"
"king"
"well-born, of noble birth"
"renowned warrior"
"faithful, devoted"
"wolf"
"throne of the eye (possible etymology)"
Similar sound: These names share phonetic patterns with Legacy — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Latin origins, giving them the same cultural heritage as Legacy.
Rhythm: Legacy is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.