The words that comes in the blanks from given choices is "irrevocable…vindictive".
If we look at the meanings of vindictive and irrevocable, vindictive means to have or demonstrate a desire to hurt somebody who has harmed or caused issues for you. for example,He turned out to be bitter and vindictive after his separation. Irrevocable refers to not fit for being changed : difficult to revoke. For example, She has settled on a irrevocable choice.