entombment vs services

entombment

noun
  • The act of entombing or the state of being entombed 

  • The decommissioning of a radioactive site by encasing it in concrete 

services

noun
  • That which is produced, then traded, bought or sold, then finally consumed and consists of an action or work. 

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