Crawl is a related term of writhe.
In lang=en terms the difference between crawl and writhe
is that
crawl is to visit files or web sites in order to index them for searching while
writhe is to twist or contort the body; to be distorted.
As verbs the difference between crawl and writhe
is that
crawl is to creep; to move slowly on hands and knees, or by dragging the body along the ground while
writhe is to twist, to wring (something).
As nouns the difference between crawl and writhe
is that
crawl is the act of moving slowly on hands and knees etc, or with frequent stops or
crawl can be a pen or enclosure of stakes and hurdles for holding fish while
writhe is (knot theory) the number of negative crossings subtracted from the number of positive crossings in a knot.