Is 12 years called decade? A decade is a period of 10 years. The word is derived (via French and Latin) from the Ancient Greek: δεκάς, romanized: dekas, which means a group of ten. Decades may describe any ten-year period, such as those of a person’s life, or refer to specific groupings of calendar years.
How do you say 12 years in English?
What is every 10 years called? Definition of decennial
1 : consisting of or lasting for 10 years. 2 : occurring or being done every 10 years the decennial census. Other Words from decennial More Example Sentences Learn More About decennial.
What do we call for 15 years? A Quincentenary. 500 years. 5 centuries. 1/2 millennium.