Greatest is an adjective. It has no plural because it is not a noun.
The plural of cone is cones.
The plural of the word shield is shields.
The plural for for the noun glass is glasses.
The plural of may is the same word (still may)
rhombuses
Greatest is an adjective. It has no plural because it is not a noun.
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
The plural of "classification" is "classifications."
The plural noun is raisins.
The plural of the word brush is brushes. As in "she brushes her hair".