Rebus and Whodunit

Rebus noun - A puzzle where you decode a message consisting of pictures representing syllables and words.

Whodunit and rebus are semantically related in puzzle topic. In some cases you can use "Whodunit" instead a noun "Rebus", when it comes to topics like mystery.

Whodunit noun - A story about a crime (usually murder) presented as a novel or play or movie.

Rebus and whodunit are semantically related in puzzle topic. Sometimes you can use "Rebus" instead a noun "Whodunit", if it concerns topics such as mystery.