Nouns that end in 'o' in their singular form can take an 's' or an 'es' for their plural form. Some examples:
Some plural forms of words ending with o include:
Some plural words ending in "o" are photos, pianos, casinos, and zoos.
Some words ending in o that form their plural by adding s only include: pianos, duos, solos, tacos.
Plurals for words ending in o can end in -os or -oes. For example, "potato" becomes "potatoes" and "photo" becomes "photos". It depends on the specific word and its language of origin.
Some examples of nouns ending in "o" and their plural forms are: Mango - mangoes Potato - potatoes Echo - echoes Tomato - tomatoes
To make a singular noun plural, you generally add "-s" or "-es" to the end of the word. Sometimes you may need to change the spelling slightly to accommodate the new ending. It's important to be aware of irregular plural forms as well.
Because there is no standard rule for words ending in -o.
There is no hard-and-fast rule with regard to forming the plural forms of nouns ending in O. Some nouns adopt the ending -es, such as heroes, tomatoes, potatoes. Other nouns (especially those with two ending vowels) simply adopt an S, such as cameos, patios. Others appear in both forms: zeros/zeros, volcano/volcanoes, tornados/tornadoes. (The -es in these three is the dominant usage.)
Some words ending in o that form their plural by adding s only include: pianos, duos, solos, tacos.
Plurals for words ending in o can end in -os or -oes. For example, "potato" becomes "potatoes" and "photo" becomes "photos". It depends on the specific word and its language of origin.
Nouns ending with -o that form the plural by adding -s to the end of the word are:autoscameoskangarooskilosmemosphotospianossolosstudiostattoosvideoszoos
Some plural words ending in "o" are photos, pianos, casinos, and zoos.
There's not a good one. You just have to memorize the "oddball" words that take "es" as an ending. Most words ending in "o" will just take an "s" as the ending. Use a Study Deck - see the link - to memorize the other words. Here's another good link to show you some of the most common plural endings for "o" words, too.
plural: pianosMost words ending with an 'o' usually take '-es' to form the plural, but some words take '-s', e.g. pianos, radios, videos, etc.
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: applesbox: boxeschurch: churchesdog: dogsegg: eggsglass: glassesExamples of irregular plural common nouns:baby: babies (nouns ending in -y preceded by a consonant, change the -y to -ies)lady: ladiescalf: calves (nouns ending in -f or -fe, but not -ff or -ffe, change the -f or -fe to -ves)wife: wiveshero: heroes (some nouns ending in -o add -es, some do not)tomato: tomatoesman: men (words from various origin languages that inherited differing plural forms)child: childrenfoot: feettooth: teethmouse: micecrisis: crisesparenthesis: parenthesesfungus: fungiradius: radiiantenna: antennaelarva: larvaegymnasium: gymnasiadatum: data
There's no general rule for forming the plural forms of words ending in -o. Many plural forms are formed by adding -es, e.g. tomato - tomatoes, potato - potatoes, hero - heroes. Other plurals are formed simply by adding -s, e.g. zero - zeros, memo - memos, hippo - hippos.
Cello > cellosDisco > discosRadio > radiosPhoto > photosPatio > patios
To make a singular noun plural, you generally add "-s" or "-es" to the end of the word. Sometimes you may need to change the spelling slightly to accommodate the new ending. It's important to be aware of irregular plural forms as well.