Two things (mag-) differ from each other.
magdodoma 'three or more'
dúma
Magdōma sa so dadakay.
Their customs differ (from each other).
Nagdodōma no rebbeng no tawo do dya.
People's responsibilities here differ (from each other).
domdōma
Someone (mangi-) shows partiality towards someone or something (i-) over another.
nagdomāan
The difference between two or more things.