baconweed vs goosefoot

baconweed

noun
  • Synonym of pigweed (“the plant Chenopodium album”) 

goosefoot

noun
  • Any of many flowering plants, of the subfamily Chenopodioideae, having small greenish flowers. 

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