# Plural acronyms and abbreviations

There are different ways to form plural acronyms and it highly depends on the individual acronym or abbreviation. Please look up the plural acronym or abbreviation if available. Otherwise, you may add the apostrophe or omit it to avoid misreading or confusion.

<table id="bkmrk-%22phd%22-%E2%86%92-%22phds%22%22m.d.%22" style="border: medium;"><colgroup><col></col><col></col><col></col></colgroup><tbody><tr><td style="border: medium;"><p class="callout success">"PhD" → "PhDs"</p>

</td><td style="border: medium;"><p class="callout success">"M.D." → "M.D.'s"</p>

</td><td style="border: medium;"><p class="callout success">"FPS" → "FPSes"</p>

</td></tr></tbody></table>

<p class="callout info"><span style="white-space: pre-wrap;">More info: </span>[https://www.thepunctuationguide.com/apostrophe.html#plurals](https://www.thepunctuationguide.com/apostrophe.html#plurals)</p>