crossbeam vs joist

crossbeam

noun
  • A horizontal structural beam that runs perpendicular to the primary support beams; a girder. 

  • A beam laid across the bitts, to which the cable is fastened when riding at anchor. 

joist

noun
  • A piece of timber or steel laid horizontally, or nearly so, to which the planks of the floor, or the laths or furring strips of a ceiling, are nailed. 

verb
  • To fit or furnish with joists. 

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