The plural is additions.
The plural form of the noun synthesis is syntheses.The plural possessive form is syntheses'.
The possessive form of the plural noun months is months'.example: The addition to the house was several months' work.
adden (addens plural)
The word empress in possessive form is empress's. In this case, the addition of apostrophe S to a singular form is the rule, and the pronunciation is the same as the plural noun empresses. The addition of only the apostrophe is reserved for plural nouns or certain names ending in S.
Condo is the shortened form of condominium. It is the shortest form.
The noun for a male is a bachelor; the noun for a female is a spinster.The word bachelorette is a more recent addition to popular culture, because the word spinster has such negative connotations.
The real plural of 'medium' is 'media'. In addition to oil painting he used all kinds of media you can think of.
The word 'amendments' is the plural form of the noun'amendment', a word for an alteration, correction, addition, or deletion to a document; a word for a thing.
Criteria is plural. Criterion is singular. The criteria to pass a maths exam is being able to add up and subtract. The criterion of passing an addition exam is being able to add up.
"Children" has two old plural signs, both the r and the n. Other old words retaining the plural in -en are oxen and brethren. The plurals men and women are not formed the same way, however. In their case, it is the vowel that changes to create the plural, not the addition of -en.
Plural nouns that change the word to a new form are called irregular plurals. Some examples are:cactus becomes cacticity becomes citieself becomes elvesgoose becomes geesefoot becomes feetman becomes menmouse becomes miceox becomes oxenA regular plural is a noun that forms its plural by adding an 's' or an 'es' to the end of the word (apple to apple, lunch to lunches).
Is it possible, that I (singular), can plural (more than 1) all by myself? OR, do I (singular) need another- (also more than 1) as an addition before I do....? Is this how math started.