kirtle vs skirting

kirtle

noun
  • A woman's gown; a woman's outer petticoat or skirt. 

  • A knee-length tunic. 

  • A short jacket. 

verb
  • To clothe or cover with, or as if with, a kirtle; to hitch up (a long garment) to the length of a kirtle. 

skirting

noun
  • skirts collectively; material for skirts 

  • The act of one who skirts around something, or avoids it. 

  • Skirting boards collectively. 

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