Eons
Years
Mutual synonyms
Both words in one sentence
- In Plan 9 from Outer Space, one of the aliens says "Foolish humans, we have had space travel for eons of your light-years." An aeon being one billion years and a light-year being a measure of distance... (Then again, this is the same alien who said that "A ray of sunlight is made up of many atoms.")
Source: Unit Confusion -
Discord from My Little Pony: Friendship Is Magic was sealed in stone more than a thousand years ago, and offhandedly mentions being around for several "eons".
Source: Time Abyss -
The living goddess Issus nonetheless shows very serious signs of aging; as she's mentioned to have lived for eons, it's probably the hundreds of thousands of years finally taking their toll.
Source: Elderly Immortal
Cite this Source
Years and Eons. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/eons/years
Eons & Years. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/eons/years>.
Years or Eons. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/eons/years.
Google Ngram Viewer shows how "eons" and "years" have occurred on timeline