Tricky plurals

Tricky Plurals

foreign plurals

Use appropriate foreign (particularly ancient Greek and Latin) plural forms where still in common usage

• EXAMPLES:

       nucleus / nuclei
       stratum / strata
       genus / genera
       analysis / analyses
       basis / bases
       crisis / crises
       phenomenon / phenomena
       bacterium / bacteria
       millennium / millennia

Note that more than one plural form is sometimes in use for different meanings of a word.

• EXAMPLES:

       formula / formulas in general—but formulae in maths/chemistry
       index / indices for maths—but indexes for books
       appendix / appendices for books—but appendixes in anatomy
       medium / media in general —but mediums for spiritualists
       datum / data in technical cases—but points of data in everyday use

Reference List

European Commission English Style Guide - A handbook for authors and translators in the European Commission Eighth edition: January 2016. Last updated: July 2023 "[PDF File]" https://commission.europa.eu/system/files/2023-07/styleguide_english_dgt_en.pdf

University of Oxford Style Guide. "[PDF File]" Retrieved from https://www.ox.ac.uk/public-affairs/style-guide?wssl=