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lifestyle
lifetime
lift
lift off

lifespan  (lifespans plural ), life span 
1  n-var The lifespan of a person, animal, or plant is the period of time for which they live or are normally expected to live. 
A 15-year lifespan is not uncommon for a dog...  
2  n-count The lifespan of a product, organization, or idea is the period of time for which it is expected to work properly or to last. 
Most boilers have a lifespan of 15 to 20 years.