Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Swedish o-
Greek α- (mention)
English un- (mention)
Proto-Germanic *un- (derived)
Old Swedish ō- (derived)
Proto-Indo-European *n̥- (derived)
Old Norse ú- (derived)
Old Norse ó- (mention)

English un- (cognate)
Faroese ó- (cognate)
Icelandic ó- (cognate)
Swedish odödlig (affix)
Swedish osaltad (affix)
Swedish osann (affix)
Swedish oordning (affix)
Swedish oemotståndlig (affix)
Swedish oegennytta (affix)
Swedish ospontan (affix)
Swedish ohemul (affix)
Swedish olidlig (affix)
Swedish oskiljaktig (affix)
Swedish orätt (affix)
Swedish härfågel (link)
Swedish onekligen (affix)
Swedish oerhörd (affix)
Swedish oavsett (mention)
Swedish orättvisa (affix)
Swedish onykter (affix)
Swedish opastöriserad (affix)
Swedish obehindrad (affix)
Swedish usel (mention)
Swedish ofördröjligen (confix)
Swedish otal (affix)
Swedish omisskännlig (affix)
Swedish obestridlig (affix)
Swedish osäker (affix)
Swedish ovidkommande (affix)
Swedish oaktsam (affix)
Swedish okapabel (prefix)
Swedish otagbar (affix)
Swedish omyndig (affix)
Swedish oproblematisk (affix)
Swedish ogästvänlig (affix)
Swedish obetänksam (affix)
Swedish ofruktsam (affix)
Swedish ohörsam (affix)
Swedish ogiltig (affix)
Swedish otäck (affix)
Swedish ohållbar (affix)