The term "stock of words" refers to the set of words that an individual possesses and utilizes while speaking or writing. Some synonyms for this phrase include vocabulary, lexicon, terminology, jargon, diction, speech, and lingo. Each of these phrases refers to the different nuances of language that an individual possesses and uses. Vocabulary refers to the general set of words in a person's language, while lexicon refers to the specific words used within a particular context or subject area. Terminology and jargon describe specialized language used in specific fields or organizations. Diction and speech describe the way that an individual uses their lexicon and the style in which they communicate. Finally, lingo refers to the specialized language used by a particular group or profession.