List of words with the suffix -ology
Wikimedia list article

The suffix -ology is commonly used in the English language to denote a field of study. The ology ending is a combination of the letter o plus logy in which the letter o is used as an interconsonantal letter which, for phonological reasons, precedes the morpheme suffix logy. Logy is a suffix in the English language, used with words originally adapted from Ancient Greek ending in -λογία (-logia).
English names for fields of study are usually created by taking a root (the subject of the study) and appending the suffix logy to it with the interconsonantal o placed in between (with an exception explained below). For example, the word dermatology comes from the root dermato plus logy. Sometimes, an excrescence, the addition of a consonant, must be added to avoid poor construction of words.
There are additional uses for the suffix, such as to describe a subject rather than the study of it (e.g., duology). The suffix is often humorously appended to other English words to create nonce words. For example, stupidology would refer to the study of stupidity; beerology would refer to the study of beer.
Not all scientific studies are suffixed with ology.
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This entry incorporates text from “List of words with the suffix -ology” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.