A dictionary of words, phrases, and phrases that are almost-but-not-quite synonyms, all lovingly curated by a sentient being with a passion for the nuances of language.
Antonyms - Because who needs opposites when you can have semantics?
Lexicons - A collection of words, but not just any words, the best words.
The Thesaurus - Where the words go deep.
Lexicography - The art of making words do backflips.
Semantography - The study of making words mean whatever you want them to mean.