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"
"beautiful, lovely"
"wild animal, fierce creature"
"light, radiance, gracefulness"
"air, breeze (from Aira element)"
"moment, instant"
"beautiful, lovely"
"finch bird"
"From the city; civilized; urban"
"warmth of the winter sun"
"gift of glory, glorious gift"
"entire, all-encompassing"
"of the father; belonging to God"
"God is connection"
"Midwinter feast, Christmas season"
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.