cellar spider vs louse

cellar spider

noun
  • Pholcus phalangioides, a spider of the family Pholcidae. 

louse

noun
  • A small parasitic wingless insect of the order Psocodea. 

verb
  • To remove lice from; to delouse. 

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