stalky vs subtle

stalky

adj
  • Resembling or characteristic of a stalker; seeming to hunt or covertly follow a person. 

  • Of a plant, having stalks. 

  • Long and thin, like a stalk of a plant. 

subtle

adj
  • Barely noticeable, not obvious, indistinct. 

  • Tenuous; rarefied; of low density or thin consistency. 

  • Cleverly contrived. 

  • Cunning, skillful. 

  • Insidious. 

  • Hard to grasp; not obvious or easily understood. 

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