Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Lower Sorbian wu
Proto-Slavic *u (inherited)

Lower Sorbian wu- (mention)
Lower Sorbian wucuś (prefix)
Lower Sorbian wumrěś (prefix)
Lower Sorbian wusmjerśiś (prefix)
Lower Sorbian wusmjerśowaś (confix)