imponderable vs physical

imponderable

noun
  • An imponderable question. 

  • A factor that cannot be anticipated. 

  • An imponderable substance or body; specifically, in the plural, a name formerly applied to heat, light, electricity, and magnetism. 

adj
  • Not ponderable; without sensible or appreciable weight; incapable of being weighed. 

  • Difficult or impossible to comprehend or evaluate. 

physical

noun
  • A physical manifestation of psychic origin, as through ectoplasmic solidification. 

  • Physical examination. 

adj
  • Sexual, carnal. 

  • Having to do with the body as opposed to the mind; corporeal, bodily. 

  • Denoting a map showing natural features of the landscape (compare political). 

  • In accordance with the laws of nature; now specifically, pertaining to physics. 

  • Pertaining to the world as understood through the senses rather than the mind; tangible, concrete; having to do with the material world. 

  • Involving bodily force or contact; vigorous, aggressive. 

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