What is the plural of musical key?

Phenomena has been in occasional use as a singular since the early 18th century, as has the plural phenomenas. Our evidence shows that singular phenomena is ... in the plural pass to the feminine. The phenomenon of gender shift of some Albanian masculine nouns in plural is relatively old, especially in the Gheg ... Dec 10, 2020 ... One is more of a “purist” approach, treating these words as the plural ... phenomena/phenomenon.1 Ok makes sense: “The data are what they are ... Jun 18, 2021 ... Discrimination training addresses the well-known phenomenon that some children do not appear to hear their own speech errors. more than one phenomenon = phenomena; more than one index = indices (indexes is acceptable); more than one appendix = appendices (appendixes is acceptable) ... Sep 10, 2016 ... The plural of phenomenon is PHENOMENA (more than one unusual or remarkable occurrence; or observable events [philosophy]) noun (also phaenomenon, phainomenon) plural phenomena, also (nonstandard) used as singular, phenomenas L16 Late Latin (phaenomenon from Greek) A phenomenon (plural, phenomena) is a general result that has been observed reliably in systematic empirical research. Feb 28, 2020 ... Although the plural form phenomenons is sometimes used to describe extraordinary objects, events or persons, phenomena is the recommended plural ... Meaning "extraordinary occurrence" is recorded by 1771. In philosophy, "an appearance or immediate object of experience" (1788). The plural is phenomena.