longevity

As nouns the difference between longevity and endurance

is that longevity is the quality of being long-lasting, especially of life while endurance is the measure of a person's stamina or persistence.

As a noun longevity

is the quality of being long-lasting, especially of life.

As a letter x is

the twenty-fourth letter of the.

As a symbol x is

voiceless velar fricative.

As nouns the difference between consistency and longevity

is that consistency is local coherence while longevity is the quality of being long-lasting, especially of life.

As nouns the difference between eternity and longevity

is that eternity is (uncountable) existence without end, infinite time while longevity is the quality of being long-lasting, especially of life.

As nouns the difference between invulnerability and longevity

is that invulnerability is the state of being invulnerable while longevity is the quality of being long-lasting, especially of life.

As an adjective eternal

is lasting forever; unending.

As a noun longevity is

the quality of being long-lasting, especially of life.

As nouns the difference between longevity and immortality

is that longevity is the quality of being long-lasting, especially of life while immortality is (fiction|religion|mythology|biology) the condition of being immortal.

As nouns the difference between gravity and longevity

is that gravity is resultant force on earth's surface, of the attraction by the earth's masses, and the centrifugal pseudo-force caused by the earth's rotation while longevity is the quality of being long-lasting, especially of life.

As an adjective sonorous

is capable of giving out a deep, resonant sound.

As a noun longevity is

the quality of being long-lasting, especially of life.

As nouns the difference between expectancy and longevity

is that expectancy is expectation or anticipation; the state of expecting something while longevity is the quality of being long-lasting, especially of life.