germane vs infelicitous

germane

adj
  • Related to a topic of discussion or consideration. 

noun
  • Any organic derivative of this compound. 

  • germanium tetrahydride, GeH₄ 

infelicitous

adj
  • Inappropriate or awkward; not well said, expressed, or done. 

  • Of a sentence or utterance: not semantically and pragmatically coherent. 

  • Unhappy or unfortunate. 

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