noun
trouble
wonder
uncertainty
ambivalence
uneasiness
insecureness
unstableness
alternation
ambiguity
puzzle
immaturity
Questionableness
weakness
wobbliness
guesswork
worry
vulnerability
dilemma
puzzlement
vagueness
changeableness
irresolution
wavering
fluctuation
suspicion
restlessness
conjecture
vacillation
mutability
doubtfulness
incertitude
capriciousness
impermanence
Unfixedness
transience
anxiety
dubiety
changeability
concern
perplexity
disequilibrium
mistrust
fickleness
inquietude
volatility
mystification
disquiet
query
misgiving
inconsistency
contingency
bewilderment
fitfulness
shakiness
distrust
unsteadiness
instability
frailty
confusion
quandary
unsureness
pliancy
insecurity
scarcity
fluidity
lack of confidence
unpredictability
inconclusiveness
variability
hesitancy
scruple
oscillation
qualm
hesitation
indecision
unreliability
uncommonness
irregularity
flightiness
skepticism
explosiveness
precariousness
reserve
ricketiness