singular
Bacterium is the singular word.
the singular word it is salmon.
The singular word for adenomata is adenoma.
The word 'Phenomenon' is singular. The plural form is 'Phenomena'.
Lance is singular.
Yes, the word "document" is singular.
The word "hang" is singular.
The word dog is the singular form.
singular of the word stitches is stitch.
The singular form of the word flagella is flagellum.
The word "influx" is singular. It refers to the act of flowing in.