Since both "justice" and "injustice" are nouns, you cannot simply add -ing to either of them. You can, however, go to a thesaurus and look each up -- find VERBS for each one and then see if any of them will work with -ing as a suffix.
http://www.thesaurus.com
what are some verbs ending in ing for justice and injustice?
2 answers
im actually looking for that answer to that question too.