daddy longlegs vs odonate

daddy longlegs

noun
  • The cranefly; any insect of the suborder Tipulomorpha. 

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

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

odonate

noun
  • Any carnivorous insect of the order Odonata; a dragonfly or damselfly. 

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