What context can I use each word in?
Learn when and how to use these words with these examples!
eon
Example
It took eons for the mountains to form. [eon: noun]
Example
The universe has been around for eons. [eon: plural noun]
era
Example
The Renaissance era was a time of great artistic and intellectual growth. [era: noun]
Example
The Industrial Revolution marked the beginning of a new era in human history. [era: noun]
Good things to know
Which word is more common?
Era is more commonly used than eon in everyday language, as it is a more versatile term that can be used in various contexts. Eon is a more specialized term that is typically used in scientific or geological contexts.
What’s the difference in the tone of formality between eon and era?
Both eon and era can be used in formal or informal contexts, but eon may have a more technical or scientific connotation, while era may have a more cultural or historical connotation.
