Acronym - initials of other words
Adjacency Pairs - question/answer + greeting/response
Adverb - word added to a verb eg. quickly
Antonym - word with opposite meaning to another word
Assonance - repetition
Clipping - word formed by shortening an existing word
Cohesion - way a test holds together through words, grammar and ideas
Collocation - way certain words appear together e.g. fish and chips
Colloquial language - informal vocabulary