abruptness
improbability
inexpectance
inexpectancy
inexpectation
no expectation
nonexpectation
precipitance
precipitancy
precipitateness
precipitatousness
suddenness
the unforeseen
the unlooked-for
unanticipation
unforeseeableness
unpredictability
unpredictableness
unpreparedness
unreadiness
extraordinariness
awfulness
bafflement
celerity
defectiveness
directness
dissimilarity
finality
fleetness
flimsiness
forlornness
fusillade
girlishness
impetuosity
impulsiveness
intuitiveness
naïveté
noiselessness
oddness
otherness
rapaciousness
strangeness
sureness
unnaturalness
vividness
weirdness