The teeth will slowly decay if you do not brush your teeth.
the Hubble space telescope was observed to distance decay in two years.
The abandoned house was in a state of decay, with crumbling walls and overgrown vegetation.
"The radioactive decay of certain unstable isotopes is used to calculate the age of objects."
Biodegradable plastics decay faster than non-biodegradable plastics.
The dead deer started to decay.
"The corpse was incredibly delicate, after being ravaged by years of decay."
"if you don't take good care of your teeth, they will decay"
The cycle of rocks from their birth to eventual decay is termed as Rock Cycle.
ask someone
I would use it correctly in a sentence, of course. Thank you for asking.
Jarry use paroxysm in a sentence.\
"Growth and decay will be the topics covered in our math class next week."