Final answer:
The plural ending for words ending in ex, ix, yx depends on the specific word. Some general rules are: words ending in ex form their plural by adding es, words ending in ix usually form their plural by adding es, and words ending in yx usually form their plural by replacing yx with ices.
Step-by-step explanation:
The plural ending for words ending in ex, ix, yx depends on the specific word. Here are some general rules:
- If a word ends in ex, it usually forms its plural by adding es. For example, box -> boxes.
- Words ending in ix typically form their plural by simply adding es. For example, matrix -> matrices.
- Words ending in yx usually form their plural by replacing yx with ices. For example, appendix -> appendices.