Verbs
decide
decision
sad
sadness
mysterious
mystery
avoid
avoidance
create
creation
discover
discovery
dangerous
danger
brave
bravery
pleased
pleasure
safe
enjoy
enjoyment
humble
humility
true
truth
cancel
cancellation
consistent
consistency
propose
proposal
friendly
friendliness
investigate
investigation
deep
depth
peculiar
peculiarity
refuse
refusal
complexity
solve
solution
understand
understanding
diverse
diversity