Plural Nouns

Nothing. The only regular suffixes added to "harm" that begin with consonants are - ful and -less, creating the words harmful (harmfully) and harmless (harmlessness, harmlessly).

Some words change their spelling, or double the ending consonant depending on whether the suffix begins with a vowel or consonant, but harm is not one of them.

No, the word Brazilians is the plural noun:

• The Brazilians scored the winning play.

The word Brazilian's is the singular possessive noun:

• The Brazilian's horse is a champion.

The word Brazilians' is the plural possessive noun:

• The Brazilians' representative wishes to speak to the committee.

A proper noun and a proper adjective (Brazilian pottery) is always capitalized.

The plural form for the noun girl is girls.

The plural possessive form is girls'.

example: I made the girls' lunches and left them on the counter.

The plural form for the noun father is fathers.

The plural possessive form is fathers'.

Example: We met because our fathers' houses are next door to each other.

Singular: woman

Plural: women

The pronoun he is the singular form, a word that takes the place of a singular noun for a male as the subject of a sentence or a clause. The plural form for he is they. Examples:

singular: John arrived first, he is here.

plural: The boys arrived first, they are here.

There are two types of plural noun forms, regular nouns and irregular nouns.

A regular plural is a word that forms the plural by adding an -s or an -es to the end of the word.

An irregular plural is a word that forms the plural in some other way.

Examples of regular common plural nouns:

• apple: apples
• box: boxes
• church: churches
• dog: dogs
• egg: eggs
• glass: glasses

Examples of irregular plural common nouns:

• baby: babies (nouns ending in -y preceded by a consonant, change the -y to -ies)
• lady: ladies
• calf: calves (nouns ending in -f or -fe, but not -ff or -ffe, change the -f or -fe to -ves)
• wife: wives
• hero: heroes (some nouns ending in -o add -es, some do not)
• tomato: tomatoes
• man: men (words from various origin languages that inherited differing plural forms)
• child: children
• foot: feet
• tooth: teeth
• mouse: mice
• crisis: crises
• parenthesis: parentheses
• fungus: fungi
• radius: radii
• antenna: antennae
• larva: larvae
• gymnasium: gymnasia
• datum: data

The possessive form for the plural noun rings is rings'.

Example: The rings' display case was a dazzling array of gems.

A regular plural is a noun to which an -s or an -es is added to form the plural.

An irregular plural noun is word that forms the plurals in some other way.

Examples of irregular plural nouns:

singular / plural

mouse / mice

man / men

woman / women

child / children

person / people

goose / geese

ox / oxen

foot / feet

tooth / teeth

cactus / cacti

alumnus / alumni

medium / media

Some nouns that have the same form for singular and plural are:

• one deer, two deer
• aircraft
• salmon
• trout
• sheep
• swine
• offspring
• police

Another group of nouns are the binary nouns, words that are a shortened form for 'a pair of', for example:

• one pair of glasses, two pairs of glasses
• binoculars
• pants
• jeans
• shorts
• scissors
• tweezers
• tongs

Examples of nouns that change meaning when plural are:

accommodation: an uncountable noun as a word for a change in behavior or attitude that helps people work together or end a disagreement; the automatic adjustment of the eye for seeing at different distances.

accommodations: a word for lodging and meals or traveling space and related services.

due: a right; what is owed.

dues: money paid regularly for membership in, for example, an organization or union.

dynamic: a word for a force that stimulates change or progress within a system or process.

dynamics: a word for the scientific study of movement.

effect (effects): is an abstract noun, a word for a condition, or state of affairs that is produced by a cause; the condition of being in full force.

effects: another definition for the plural is a concrete noun, a word for the things that belong to someone; artificial images and sounds created for film; an artificial appearance given to a surface or to an object.

future: an uncountable noun as a word for the time that follows the present time; events that have not yet taken place.

futures: a countable noun as a word for contracts to buy or sell shares, goods, or currency at an agreed price to be delivered at a time in the future.

good: abstract noun; a word for something conforming to a moral order; praiseworthy character; something beneficial or useful.

goods: concrete noun; a word for something having value; something produced for purchase.

notion: an abstract noun; a word for a conception of or belief about something; a sudden wish or desire.

notions: a concrete noun; a word for small useful articles (as pins, needles, or thread).

water: A clear, colorless, odorless, and tasteless liquid, H2O, essential for most plant and animal life.

waters: The plural form 'waters' is a word for an area of seawater bordering on and under the control of a country (territorial waters); water from a particular source (the waters at Baden-Baden); or used for a particular type of situation (troubled waters).

For nouns ending with the letter -z, add -es to the end of the noun (common or proper) to form the plural: Sanchezes.

Example: The Sanchezes are my neighbors.

Plural nouns ending in -s form the possessive by adding an apostrophe (') after the -s at the end of the word.

Examples:

The books' covers were damaged in storage.

We're going to the Smiths' anniversary party.

The kittens' mother is a calico.

The plural form for the singular, subjective he or she is they.

The plural form for the singular, subjective it is they.

The plural for the singular, objective it is them.

And even though you didn't ask, I will throw in for no extra charge:

The plural form for the singular, objective him or her is them.