How do dictionaries reflect changes in language usage?

The word “phenomenon” is a noun. The plural of “phenomenon” is “phenomenons” or “phenomena.” Other words that come from “phenomenon” are: the adjective “ ... The plural form phenomenas, though occasionally seen, has even less currency. Collins Concise English Dictionary © HarperCollins Publishers:: phenomenon / ... Feb 5, 2020 ... Plural leadership is a “collective phenomenon that is distributed or shared among different people, potentially fluid, and constructed in interaction” Jun 18, 2021 ... Discrimination training addresses the well-known phenomenon that some children do not appear to hear their own speech errors. Let's start with regular plurals: regular plural nouns use established ... phenomena is the plural of phenomenon. The singular ends with –on, so the ... noun (also phaenomenon, phainomenon) plural phenomena, also (nonstandard) used as singular, phenomenas L16 Late Latin (phaenomenon from Greek) We address the key phenomenon of "stubborn distributivity," whereby certain predicates (e.g., big, tall) are claimed to lack collective interpretations ... May 26, 2021 ... Does anyone know when the (seemingly) recent phenomenon of using apostrophes to indicate plurals (e.g. "I work on Tuesday's") became popular, ... Jul 28, 2014 ... Actually, criterion is the singular form, and criteria is the plural. (Similarly, phenomenon is singular and phenomena plural.) Also, one author ... Aug 15, 2013 ... The English word phenomenon is the most common singular form and phenomena is the most common plural form.