bottomless vs hieroglyphic

bottomless

adj
  • Difficult to understand; unfathomable. 

  • Extremely deep. 

  • Having no bounds; limitless. 

  • Not wearing clothes below the waist; particularly not wearing clothes that would cover the genitalia. 

  • refillable (usually for iced tea or other such cold beverages) 

  • Having no bottom. 

hieroglyphic

adj
  • difficult to decipher 

  • of, relating to, or written with this system of symbols 

noun
  • Undecipherable handwriting or secret symbol. 

  • Any symbol used in this system; a hieroglyph. 

  • A writing system of ancient Egypt, Minoans, Maya and other civilizations, using pictorial symbols to represent individual sounds as a rebus 

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