80th
         adj 1: the ordinal number of eighty in counting order [syn:
                  {eightieth}, {80th}]

English Dictionary: 8th	by the DICT Development Group
From WordNet (r) 3.0 (2006) [wn]:
85th adj the ordinal number of eighty-five in counting order [syn: eighty-fifth, 85th]
From WordNet (r) 3.0 (2006) [wn]:
8th adj coming next after the seventh and just before the ninth in position Synonym(s): eighth, 8th