The plural form of index is not as simple as adding an -s. In fact, index has two accepted plurals:…
The plural of matrix is matrices (pronounced MAY-truh-seez) in formal, academic, and professional English. In less formal contexts, especially…
The plural of crisis is crises. This follows the rule for many English nouns that end in -is, where…
The plural of basis is bases (pronounced BAY-seez). This is an irregular plural that changes the ending from -is…
If you have ever written a business memo or received an official note at work, you have likely encountered…