Plutonian vs intrusive

Plutonian

adj
  • Pertaining to the astrological influence of Pluto, formerly regarded as a planet. 

  • Of or relating to Pluto, the Greek and Roman god of the underworld; demonic, infernal. 

  • Synonym of plutonic (“of, pertaining to, or supporting plutonism, the theory that the rocks of the Earth were formed in fire by volcanic activity, with a continuing gradual process of weathering and erosion, then deposited on the sea bed, re-formed into layers of sedimentary rock by heat and pressure, and raised again”) 

  • Of or relating to the dwarf planet Pluto. 

  • Synonym of plutonic (“of or pertaining to rocks formed deep in the Earth's crust, rather than by volcanoes at the surface of the Earth”) 

  • Of, relating to, or having characteristics associated with the underworld; dark, gloomy; mournful. 

noun
  • A person under the astrological influence of Pluto, formerly regarded as a planet. 

  • A proponent of plutonism; a plutonist. 

  • An (imaginary) inhabitant of the dwarf planet Pluto. 

intrusive

adj
  • epenthetic 

  • Tending to intrude; doing that which is not welcome; interrupting or disturbing; entering without permission or welcome. 

  • Of rocks: forced, while in a plastic or molten state, into the cavities or between the cracks or layers of other rocks. 

noun
  • An igneous rock that is forced, while molten, into cracks or between other layers of rock 

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