thingmy vs whatchacallit

thingmy

noun
  • A thingy; a non-specific object or gadget. 

adj
  • Agitated, flustered, in a lather. 

whatchacallit

noun
  • a whatchamacallit 

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