The plural of "Difficult" is "Difficulties."
There is no plural for difficult.
The plural form for the demonstrative pronoun this is these.
The plural word of delay is delays.
The plural noun is raisins.
The plural of the word brush is brushes. As in "she brushes her hair".
There is no plural for difficult.
This is a very archaic (out of fashion) word, so the meaning of this word is very difficult to find.
The plural of "it's a difficult exam" would be "they're difficult exams."
The word "mystery" is singular, referring to something that is difficult to understand or explain. The plural form is "mysteries," which refers to multiple instances or types of mysteries.
The word crises is a plural word; it is the plural form of the word crisis.
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.
the plural word is comedones
No it's a singular word. A plural word would be "have".
Leukocytes is the plural of leukocyte