The noun research is an uncountable noun, a word for the systematic investigation into and study of materials and sources in order to establish facts and reach new conclusions.
The noun research is a word for a concept, expressed as some research, a lot of research, a little research, etc.
The word research is also a verb: research, researches, researching, researched.
Research cannot be in the plural because it is an uncountable noun.
The word necessary is an adjective and so doesn't have a plural noun. The noun form is necessity and the plural is necessities.
Histologies, would be plural of histology.
Fungi is the standard plural of fungus, because the word is Latin in origin it follows the Latin rules for plurals, however funguses following the English rules for plurals is also now an approved plural of fungus due to its frequency in common usage.
There are two: media (the Latin plural) and mediums. They have specific uses.As a word for a means of communicating information and ideas or a word for a substance, the plural form for the noun medium is media.As a word for- someone who claims to be able to communicate with the spirits of dead people- a go-between or mediator- a size between small and largethen the plural form for the noun medium is mediums.
Research cannot be in the plural because it is an uncountable noun.
The plural form for the demonstrative pronoun this is these.
The plural form of the word "inferno" is "infernos."
The plural form of the word "ranch" is "ranches."
There is no plural form for the word, countries. This word itself is a plural.
There is no plural word for if.
The plural form is data.
The plural form for the word 'pioneer' is pioneers.
The plural form of the word "pharynx" is "pharynges."
The plural form of vow is vows.
The plural form of the word "baby" is "babies."
The noun 'research' is singular; there is no plural form. Multiples are expressed in units describing the research, such as a body of research, works of research, or results of research. The word 'research' is also a verb (research, researches, researching, researched) and is sometimes used as an adjective, such as research student, research funding, etc.