Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English blithe
Old English blīþe (inherited)
Middle English blithe (inherited)
Proto-Germanic *blīþiz (inherited)
Proto-West Germanic *blīþī (inherited)
Proto-Indo-European *bʰel- (root)
Proto-Indo-European *bʰlī- (derived)
Proto-Indo-European *bʰel- (derived)

English blither (mention)
English blithely (affix)
English blitheness (suffix)
English blithesome (suffix)
English blee (mention)
English blitheful (suffix)
English blithen (suffix)
English blitheless (suffix)
Faroese blíður (cognate)
West Frisian bliid (cognate)
Icelandic blíður (cognate)
Saterland Frisian bliede (link)
Swedish blid (cognate)