"prefaces" in the noun sense
1. foreword, preface, prolusion
a short introductory essay preceding the text of a book
"prefaces" in the verb sense
1. precede, preface, premise, introduce
furnish with a preface or introduction
"She always precedes her lectures with a joke"
"He prefaced his lecture with a critical remark about the institution"
Source: WordNet® (An amazing lexical database of English)
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