ephemeral vs seeable

ephemeral

noun
  • Something which lasts for a short period of time. 

adj
  • Usually dry, but filling with water for brief periods during and after precipitation. 

  • Lasting for a short period of time. 

  • Existing for only one day, as with some flowers, insects, and diseases. 

seeable

adj
  • Able to be seen; visible. 

noun
  • That which is to be seen. 

How often have the words ephemeral and seeable occurred in a corpus of books? (source: Google Ngram Viewer )