1. fray
My nerves started to fray.
Troops soon joined the fray.
The tempers of the drivers stuck in the traffic jam were fraying.
All this bickering is starting to fray my nerves.
After hours of waiting, tempers were beginning to fray.
Three civilians were injured during the fray.
They were ready for the fray.
The old deals to limit nuclear weapons are fraying
Fighting there could easily draw neighboring nations into the fray
2. shred
His clothes were ripped to shreds.
there's not a shred of evidence that he did it
After the struggle, the boy's shirt was torn to shreds.
a shred of papier
The whole operation is so refreshingly low-key and straightforward that it easily sucks in anyone who likes books and has even a shred of generosity.
Let's shred your wings into small pieces and throw them away.
3. fritter
Don't fritter away your allowance.
fritter my talent
4. to tatter