Millicent sits next to 4 phonetic neighbors — Millicent, Millie, and Celeste are the closest matches by sound. Most share Millicent's English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"strong in work, industrious strength"
"from the heathered meadow (as short for Hadley)"
"beautiful excellent one"
"new, star-like"
"white, blessed + elm tree (hybrid)"
"to shine upon men"
"faithful, good"
"exalted, sublime, high"
"determined protector, will to protect"
"conflict, strife"
"God is gracious"
"meadow, clearing"
"moon goddess"
"of noble birth"
"rose and lake"
"angry, wrathful"
"heavenly, celestial"
"boundary meadow"
"land of the Welsh, Wales"
Similar sound: These names share phonetic patterns with Millicent — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Germanic origins, giving them the same cultural heritage as Millicent.
Rhythm: Millicent is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.