No, singular noun that end with an -s can have a plural form. The plural is formed by adding an -es to the end of a singular noun that ends with an -s.
Examples:
Some singular nouns that end with 'tion' are:abbreviationabsolutionaccelerationactionaddictionaffectionafflictionagitationaggregationaviationobligationobservationoccupationoperationoptionorganizationornamentationosculationovationovulation
Oil is not countable. Uncountable nouns are normally only singular, and we cannot use a/an with them. (NOT a oil, you say a barrel of oil, NOT two oils)
Any singular noun (except uncountable nouns) that ends in 'ff' can be made into a plural. Some examples are:bailiff and bailiffsbluff and bluffscliff and cliffscuff and cuffssheriff and sheriffsplayoff and playoffs
Some nouns that are always singular include: gold, cotton, corn, silver, molasses, wheat, sugar, copper
Nouns that are always plural with no singular form are:newsmathematicsclothes
Some singular nouns that end with 'tion' are:abbreviationabsolutionaccelerationactionaddictionaffectionafflictionagitationaggregationaviationobligationobservationoccupationoperationoptionorganizationornamentationosculationovationovulation
Examples of singular nouns ending in 'ch' are:archbatchbeachbirchbleachcatchchurchclutchcouchcrutchditchDutchfinchgulchhitchhunchitchleechlunchmarchmatchnotchostrichperchpitchporchranchspeechwitchZurich
Examples of singular nouns ending in -io are:audioimpresariopatioPinocchiopistachiopolioportfolioradioratiotrio
Most common nouns can have plurals, even if the plural is the same as the singular. Other nouns are uncountable, such as the abstract nouns need, greed, or poverty.
Abstract nouns can be singular and plural, or uncountable.Examples of countable abstract nouns are:belief, beliefshope, hopesidea, ideasmemory, memoriessecret, secretsyear, yearsExamples of uncountable abstract nouns are:chemistryeducationharmknowledgesoccerweather
An abstract noun is a word for something that can't be experienced by any of the five physical senses; something that can't be seen, heard, smelled, tasted, or touched. An abstract noun is word for something that you know, learn, think, understand, or feel emotionally.Some abstract nouns are countable (have a singular and a plural form) and some abstract nouns are uncountable (have only a singular or only a plural form).A singular abstract noun may be the singular form of a countable noun, or it may be a singular uncountable noun.Examples of countable abstract nouns are:hope, hopesidea, ideasdanger, dangersfriendship, friendshipsliberty, libertiesExamples of singular uncountable nouns are:adviceeducationknowledgegossip*astronomyExamples of plural uncountable nouns are:newseconomicspolitics*Note: The noun 'gossip' is a singular, countable, concrete noun as a word for a person or persons (They're just a bunch of gossips).
Some nouns that are the same for the singular and the plural are:deerfishelksheepoffspringSome nouns are singular but appear to be plural; words that are a short form for 'a pair of...'. There is no plural for these nouns, the plurals are expressed by using 'pairs of...'. Some examples are:pantsshortsglassesscissorsbinocularsUncountable nouns have no plural form and take a verb for the singular. Some uncountable nouns are:moneyinformationnewsadviceelectricity
Oil is not countable. Uncountable nouns are normally only singular, and we cannot use a/an with them. (NOT a oil, you say a barrel of oil, NOT two oils)
Examples of singular noun ending in Y are:agonyalleyarterybellybodyboybrandybunnycanarycandydairydaydiaryfairyfillyfollyfortygallerygravygrayhayironyjoykeyladymoneynationalityospreypartyplayquayraystorytraytreasuryusuryvalley
much is always used with uncountable nouns or nouns that cannot take (s)
Any singular noun (except uncountable nouns) that ends in 'ff' can be made into a plural. Some examples are:bailiff and bailiffsbluff and bluffscliff and cliffscuff and cuffssheriff and sheriffsplayoff and playoffs
The noun 'police' is a plural, uncountable noun; a form of uncountable (mass) noun called an aggregate noun, a word representing an indefinite number of elements or parts; aggregate nouns have no singular form.