Synonyms of quisling

2 Syllables
betrayer, traitors, brutus, judas, traitor, turncoat
3 Syllables
treasonist, deserter, intriguers, intriguer, defector, two-timer, back-stabber, colluder
4 Syllables
double-crosser, double-dealer, sympathizer
5 Syllables
collaborator, collaborators