longevity

As nouns the difference between permanent and longevity

is that permanent is a chemical hair treatment imparting or removing curliness, whose effects typically last for a period of weeks; a perm while longevity is the quality of being long-lasting, especially of life.

As an adjective permanent

is without end, eternal.

As a verb permanent

is (dated) to perm (the hair).

As nouns the difference between longevity and euthanasia

is that longevity is the quality of being long-lasting, especially of life while euthanasia is the practice of intentionally and painlessly killing a human being or animal for humane reasons, especially in order to end great suffering or poor quality of life.

As nouns the difference between longevity and preservation

is that longevity is the quality of being long-lasting, especially of life while preservation is preservation.

As nouns the difference between vitality and longevity

is that vitality is the capacity to live and develop while longevity is the quality of being long-lasting, especially of life.

As nouns the difference between longevity and detriment

is that longevity is the quality of being long-lasting, especially of life while detriment is detriment.

As nouns the difference between longevity and centenarians

is that longevity is the quality of being long-lasting, especially of life while centenarians is .

As nouns the difference between longevity and long

is that longevity is the quality of being long-lasting, especially of life while long is a long vowel.

As an adjective long is

having much distance from one terminating point on an object or an area to another terminating point usually applies to horizontal dimensions; see Usage Notes below.

As an adverb long is

over a great distance in space.

As a verb long is

to take a long position in.

As a proper noun Long is

{{surname|from=nicknames}} Originally a nickname for a tall man.

As nouns the difference between longevity and posteriority

is that longevity is the quality of being long-lasting, especially of life while posteriority is the condition of being posterior (in any sense).

As nouns the difference between longevity and perpetuity

is that longevity is the quality of being long-lasting, especially of life while perpetuity is the quality or state of being perpetual; endless duration; uninterrupted existence.

As an adjective prolix

is tediously lengthy.

As a noun longevity is

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