22-letter words containing a, f, l, u, t
- transformational rules — rules that specify in purely syntactic terms a method by which theorems may be derived from the axioms of a formal system
- trichlorofluoromethane — chlorotrifluoromethane.
- trifluorochloromethane — chlorotrifluoromethane.
- unconventional warfare — warfare that is conducted within enemy lines through guerrilla tactics or subversion, usually supported at least in part by external forces.
- unprofessional conduct — activity that is contrary to the accepted code of conduct of a profession