acescence
acetification
acidification
acidulation
aggravation
amplification
annoyance
augmentation
contentiousness
deepening
deliberate aggravation
deterioration
embittering
embitterment
enhancement
enlargement
exacerbation
exasperation
fermentation
heightening
increase
intensification
irritation
magnification
provocation
sharpening
worsening
spoilage
spoiling
cowering
devouring
empowering
flowering
glowering
powering
scouring
showering
towering