Rune and Tough nut to crack

Rune noun - A composition using rhythm and often rhyme to create a lyrical effect.

Tough nut to crack and rune are semantically related in puzzle topic. In some cases you can use "Tough nut to crack" instead a noun "Rune", when it comes to topics like mystery.

Nearby Word: runic

Rune and tough nut to crack are semantically related in puzzle topic. Sometimes you can use "Rune" instead a noun phrase "Tough nut to crack", if it concerns topics such as mystery.