Mu sits next to 3 phonetic neighbors — Moo, Rue, and Sue are the closest matches by sound. Most share Mu's Chinese cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"admire, long for"
"warmth of the winter sun"
"From the city; civilized; urban"
"ivy plant"
"Midwinter feast, Christmas season"
"modern invented name, creative variant of six"
"longing for home, connection"
"hospitality, stranger-friend"
"entire, all-encompassing"
"gift of glory, glorious gift"
"light, radiance, gracefulness"
"of the father; belonging to God"
"wild animal, fierce creature"
"beautiful, lovely"
"God is my oath (from Lisa/Elizabeth)"
Similar sound: These names share phonetic patterns with Mu — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Chinese origins, giving them the same cultural heritage as Mu.
Rhythm: Mu is a 1-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.