appendix
The first known use of the word was in 1542. It was most likely derived from the Latin verb "appendere." Singularly, it is appendix. In plural form it can either be appendices or appendixes. Both are correct.
The correct plural of appendix depends on the circumstances. If you are talking about the text at the end of a book or article, either the plural appendices or appendixes is correct. If you are talking about the organ in the body, appendixes is the only plural.
Being able to listen to a script instead of reading it. Audio appendixes can be downloaded.
appendixes
There are two accepted plural forms of the noun 'appendix', appendixes and appendices.The plural possessive forms are appendixes' and appendices'.Example: The appendixes' resources in these texts will help with your research.
Bacterium is the singular word.
the singular word it is salmon.
singular
Adenoma is the singular of adenomata.
The word 'Phenomenon' is singular. The plural form is 'Phenomena'.
singular of the word stitches is stitch.
Lance is singular.