Synonyms of 'sheaf'
bundleDictionary, mass, pileHe took out a sheaf of papers and leafed through them.
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A bunch of things is a number of things, especially a large number.
We did a bunch of songs together.
A heap of things is a pile of them, especially a pile arranged in a rather untidy way.
a heap of bricks
Thesaurus for sheaf from the Collins English Thesaurus
A sheaf of papers is a number of them held or fastened together.