Inglés/Números ordinales

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first||1st (1º) || 
twentieth ||20th (20º)
second|| 2nd (2º) ||
thirtieth ||30th (30º)
third|| 3rd (3º)|| 
fortieth||40th (40º)
fourth|| 4th (4º)|| 
fiftieth||50th (50º)
fifth||5th (5º)|| 
sixtieth||60th (60º)
sixth||6th (6º)||  
seventieth||70th (70º)
seventh||7th  (7º)||  
eightieth||80th (80º)
eighth||8th (8º)||  
ninetieth||90th (90º)
ninth||9th (9º)||  
hundredth||100th (100º)
tenth||10th (10º)|| 
thousandth||1000th (1000º)
eleventh||11th (11º)
millionth||1000000th (1000000º)
twelfth||12th (12.)
thirteenth||13th (13.)
fourteenth||14th (14.)
fifteenth||15th (15.)
sixteenth||16th (16.)
seventeenth||17th (17.)
eighteenth||18th (18.)
nineteenth||19th (19.)