biopsies
The word "biopsies" is the plural form of the word. The singular form is "biopsy."
The word "biopsy" is singular. If you are referring to more than one, it becomes "biopsies."
The plural of biopsy is biopsies.
"The BIOPSY revealed scar tissue."Merrium-Webster Dictionary
"My Father had a biopsy to make sure the lump was not cancerous"
The first syllable of biopsy is accented.
The word crises is a plural word; it is the plural form of the word crisis.
The doctor took a biopsy of a growth on the patients leg and sent it to the lab for analysis.
There is no plural word for if.
The plural form for the demonstrative pronoun this is these.
A non-plural word, a word (noun or pronoun) that is not plural is singular, a word for just one.
The plural word of delay is delays.