untruth (n.)
- aberrancy
 - aberration
 - canard
 - defectiveness
 - delusion
 - distortion
 - errancy
 - erroneousness
 - error
 - exaggeration
 - fallaciousness
 - fallacy
 - falsehood
 - falseness
 - falsity
 - farrago
 - fault
 - faultiness
 - fib
 - fiction
 - flam
 - flaw
 - flimflam
 - half-truth
 - hamartia
 - heresy
 - heterodoxy
 - illusion
 - lie
 - mendacity
 - misapplication
 - misconstruction
 - misfeasance
 - misinterpretation
 - misrepresentation
 - perversion
 - prevarication
 - self-contradiction
 - sin
 - sinfulness
 - story
 - tale
 - taradiddle
 - unorthodoxy
 - untruthfulness
 - yarn