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Tetralogy

//tɛˈtɹæləd͡ʒi// noun, slang

Noun

1
A set of four works of art that are connected, and that can be seen either as a single work or as four individual works. They are commonly found in literature, film, or video games.
2
a series of four related works (plays or operas or novels) wordnet
3
A set of four works of art that are connected, and that can be seen either as a single work or as four individual works. They are commonly found in literature, film, or video games.; A group of four dramas, three tragic and one satiric, exhibited together at the festivals of Dionysus at Athens. historical
4
A combination of four symptoms.
5
Tetralogy of Fallot. colloquial

From tetra- + -logy.

Unscramble this word: tetralogy