What is another word for paper knife?
Pronunciation: [pˈe͡ɪpə nˈa͡ɪf] (IPA) 
A paper knife, also known as a letter opener, is a tool specifically designed for opening envelopes and cutting paper with precision. There are various synonyms for a paper knife, including envelope opener, page turner, and paper slicer. Some people may also refer to it as a paper cutter, although this term is generally associated with larger cutting tools used in the printing and publishing industry. Other terms that can be used to describe a paper knife include paper guillotine, stationery knife, and desk knife. Regardless of the name used, a paper knife remains a useful tool for anyone who often works with letters, documents, or papers.
