flax vs welt

flax

noun
  • The fibers of Linum usitatissimum, grown to make linen and related textiles. 

  • A plant of the genus Linum, especially Linum usitatissimum, which has a single, slender stalk, about a foot and a half high, with blue flowers. Also known as linseed, especially when referring to the seeds. 

  • The flax bush, a plant of the genus Phormium, native to New Zealand, with strap-like leaves up to 3 metres long that grow in clumps. 

welt

noun
  • A strip of material or covered cord applied to a seam or garment edge to strengthen or cover it. 

  • A strip of leather set into the seam between the outsole of a shoe and the upper, through which these parts are joined by stitching or stapling. 

  • A ridge or lump on the skin, as caused by a blow. 

  • In steam boilers and sheet-iron work, a strip riveted upon the edges of plates that form a butt joint. 

  • In carpentry, a strip of wood fastened over a flush seam or joint, or an angle, to strengthen it. 

  • In machine-made stockings, a strip, or flap, of which the heel is formed. 

  • A narrow border, as of an ordinary, but not extending around the ends. 

  • A feature resembling a welt. 

verb
  • To cause to have welts; to beat. 

  • To install welt (a welt or welts) to reinforce. 

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