enn

Usage

• perennial

  Something that is perennial lasts a very long time and is enduring.

• millennium

  A millennium is a period of one thousand years.

• bicentennial

  of or relating to or completing a period of 200 years

• biennial

  having a life cycle lasting two seasons

• biennium

  a period of two years

• centennial

  of or relating to or completing a period of 100 years

• millennia

  a span of 1000 years

• millennial

  relating to a millennium or span of a thousand years