lifespan

As nouns the difference between livelihood and lifespan

is that livelihood is (obsolete) the course of someone's life; a person's lifetime, or their manner of living; conduct, behaviour while lifespan is the length of time for which an organism lives.

As nouns the difference between lifespan and lifestyle

is that lifespan is the length of time for which an organism lives while lifestyle is a style of living that reflects the attitudes and values of a person or group.

As nouns the difference between lifespan and expectancy

is that lifespan is the length of time for which an organism lives while expectancy is expectation or anticipation; the state of expecting something.

As nouns the difference between lifespan and shelflife

is that lifespan is the length of time for which an organism lives while shelflife is .

As an adjective useful

is having a practical or beneficial use.

As a noun lifespan is

the length of time for which an organism lives.

As nouns the difference between lifespan and aging

is that lifespan is the length of time for which an organism lives while aging is the process of becoming older or more mature.

As a verb aging is

.

As an adjective aging is

becoming elderly.

As a noun lifespan is

the length of time for which an organism lives.

As a proper noun life

is (christian science) god.

As a noun lifespan is

the length of time for which an organism lives.

As a noun lifespan is

the length of time for which an organism lives.