lace up vs plait

lace up

verb
  • To fasten the laces of something. 

  • To insert (film) into a projector. 

plait

verb
  • To interweave the strands or locks of; to braid 

  • To fold; to double in narrow folds; to pleat 

noun
  • A flat fold; a doubling, as of cloth; a pleat. 

  • A braid, as of hair or straw; a plat. 

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