Janus
ambiguousness
ambivalence
amphibologism
amphibology
amphiboly
antinomy
asymmetry
biformity
bifurcation
cavil
conjugation
counterword
dichotomy
disproportion
disproportionateness
dodge
double entendre
double meaning
double-talk
doubleness
doublethink
doubling
dualism
duality
duplexity
duplication
duplicity
equivocacy
equivocal
equivocality
equivocalness
equivocation
equivoque
evasion
haggling
hair-splitting
halving
hedge
heresy
heterodoxy
heterogeneity
impenetrability
imprecision
inapprehensibility
inarticulateness
incognizability
incoherence
incommensurability
awkwardness
circumlocution
complexity
contradiction
dilemma
disagreement
discrepancy
embarrassment
flaw
hesitancy
inaccuracy
instability
misgiving
misunderstanding
nuance
obscurity
reluctance
reticence
timidity
uncertainty
vacillation
vagueness
acuity
annuity
congruity
continuity
ingenuity
promiscuity