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Results found in several dictionaries: Collins, Collaborative Dictionary
-natured  adj 
 (ending in compounds)  
de carácter ... 
good-natured  de carácter bondadoso 
ill-natured  de mal carácter 

Collaborative Dictionary     English-Spanish
'-natured' found in translations in Spanish-English dictionary
buenazo exp. good-natured Reverso General Dictionary 

"Collins Spanish Dictionary 8th edition published in 2005 © William Collins Sons & Co Ltd 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005"