Word mod o/u         
An internal 'o' might be rendered by 'u'
un.i                 NUM    1 1 DAT S X CARD            
unus -a -um, primus -a -um, singuli -ae -a, semel  NUM   [XXXAX]  
 1 - (CARD answers 'how many');                                                 
un.i                 ADJ    1 3 DAT S X POS             
un.i                 ADJ    1 3 NOM P M POS             
un.i                 ADJ    1 3 VOC P M POS             
unus, una, unum (gen -ius)  ADJ   [XXXEO]    uncommon
alone, a single/sole; some, some one; only (pl.); one set of (denoting entity);
un.i                 V      4 1 PRES ACTIVE  IMP 2 S    
unio, unire, univi, unitus  V (4th) TRANS   [XXXEO]    uncommon
unite, combine into one;