cranefly vs daddy long-legs spider

cranefly

noun
  • Any of various large flies of the suborder Tipulomorpha that have slender bodies and very long legs and that resemble giant mosquitoes. 

daddy long-legs spider

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

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