safari vs yomp

safari

noun
  • A caravan going on a safari. 

  • Any trip for the purpose of discovering something new or acquiring prizes or trophies. 

  • A trip into any undeveloped area to see, photograph or hunt wild animals in their own environment. 

verb
  • To take part in a safari. 

yomp

noun
  • A long-distance march carrying full kit. 

verb
  • To make a strenuous long-distance march. 

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