"shred" in the noun sense
1. shred, scintilla, whit, iota, tittle, smidgen, smidgeon, smidgin, smidge
a tiny or scarcely detectable amount
2. rag, shred, tag, tag end, tatter
a small piece of cloth or paper
"shred" in the verb sense
1. shred, tear up, rip up
tear into shreds
Source: WordNet® (An amazing lexical database of English)
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