abandonment
absentation
abstention
abstinence
casting away
cease
cessation
close
closing
closure
conclusion
discontinuance
discontinuation
disuse
end
ending
evacuation
forsaking
jettison
jettisoning
leaving
nonemployment
nonprevalence
nonuse
obsolescence
obsoleteness
obsoletion
obsoletism
pensioning off
pulling out
retirement
superannuation
throwing overboard
unprevalence
withdrawal
inaction
inactiveness
inactivity
Ritalin
amitriptyline
aphasiology
disposability
fewness
hebetude
henroost
innocuousness
labile
moke
mythologist
nonproduction
overarching
painlessness
philologer
pussy-cat
rareness
stratigraphy
subsector
tothat
trifler
valuelessness
vasectomy
wastage