Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Luxembourgish un-
German an- (cognate)
English on- (cognate)
Dutch aan- (cognate)

Luxembourgish ugesinn (affix)
Luxembourgish Ufro (affix)
Luxembourgish ubieden (affix)
Luxembourgish ukucken (affix)
Luxembourgish uvertrauen (affix)
Luxembourgish umellen (affix)
Luxembourgish uspillen (affix)
Luxembourgish uschreiwen (affix)
Luxembourgish unhuelen (affix)
Luxembourgish uspriechen (affix)
Luxembourgish uschléissen (affix)
Luxembourgish uleeën (affix)
Luxembourgish uruffen (affix)
Luxembourgish uklicken (affix)
Luxembourgish ukommen (affix)
Luxembourgish Ubau (affix)
Luxembourgish ubauen (affix)
Luxembourgish ufänken (affix)
Luxembourgish umaachen (affix)