momentary vs seeable

momentary

adj

  • Lasting for only a moment. 

  • Ephemeral or relatively short-lived. 

  • Happening at every moment; perpetual. 

seeable

noun

  • That which is to be seen. 

adj

  • Able to be seen; visible. 

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