phraseologies

noun
  1. 1

    Study of set or fixed expressions.

  2. 2

    The style in which words and phrases are used in writing or speech.

  3. 3

    A group of specialized words and expressions used by a particular group.

  4. 4

    A collection of phrases; a phrasebook.

Source: https://en.wiktionary.org/wiki/phraseologies, https://en.wiktionary.org/wiki/phraseology