Plays-noun play-verb
The word crises is a plural word; it is the plural form of the word crisis.
The plural form for the noun play is plays; for example: We attended two plays this weekend. Some good plays put us in the lead. The word play is also a verb; verbs do not have singular and plural forms.
There is no plural word for if.
The plural of the noun play (a theatrical drama) is plays. The uncountable noun play (fun, diversion) has no plural.
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
The plural noun is raisins.
The plural of "classification" is "classifications."