undidun‧did /ʌnˈdɪd/ verb 
the past tense of undo
the past tense of undo- Freddie Mac
- free
- -free
- free agent
- free and easy
- freebase
- freebasing
- freebie
- freebirth
- freebirther
- freebooter
- freeborn
- Free Church
- Free Church of Scotland
- free collective bargaining
- freedom
- freedom fighter
- Freedom of Information Act
- Freedom Tower
- free enterprise
- free fall
- free-falling
- free-floating
- Freefone
- underwent