Mancy sits next to 3 phonetic neighbors — Nancy, Fancy, and Clancy are the closest matches by sound. Most share Mancy's Greek via English-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"divination, prophecy"
"ruler of the land"
"with great strength (via Arion)"
"fair, white, bright"
"a short story with a moral lesson"
"friend, lover (of God)"
"son of Kay"
"created by Anu (sky god)"
"settlement on a hill"
"water farmstead"
"occupational surname for a chapel keeper"
Similar sound: These names share phonetic patterns with Mancy — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Greek via English origins, giving them the same cultural heritage as Mancy.
Rhythm: Mancy is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.