Shiver is a related term of writhe.
As nouns the difference between shiver and writhe
is that
shiver is a fragment or splinter, especially of glass or stone or
shiver can be the act or result of shivering while
writhe is (knot theory) the number of negative crossings subtracted from the number of positive crossings in a knot.
As verbs the difference between shiver and writhe
is that
shiver is to break into splinters or fragments or
shiver can be to tremble or shake, especially when cold or frightened while
writhe is to twist, to wring (something).