daddy long-legs spider vs daddy longlegs

daddy long-legs spider

noun
  • Any of the true spiders of the family Pholcidae: small spiders with long legs. 

daddy longlegs

noun
  • The daddy long-legs spider, any spider of the family Pholcidae. 

  • The cranefly; any insect of the suborder Tipulomorpha. 

  • Any (non-spider) arachnid of the order Opiliones, mostly with long thin legs; the harvestman. 

How often have the words daddy long-legs spider and daddy longlegs occurred in a corpus of books? (source: Google Ngram Viewer )