(of something restrictive or too tight) make (a part of the body) sore by rubbing against it.

1. "the collar chafed his neck"
2. rub (a part of the body) to restore warmth or sensation.

(noun)

1. wear or damage caused by rubbing.

   "to prevent chafe the ropes should lie flat"

2. archaic

   a state of annoyance.

chaff (noun)

the husks of corn or other seed separated by winnowing or threshing.

"separating the chaff from the grain"

1. chopped hay and straw used as fodder.
2. worthless things; trash.