Proper names ending in CH (first names or family names) add -ES to the end to form a plural. Example: Rich/Riches, March/Marches (the March family)
As with names ending in S, Z, CH, and SH, the plural adds an ES. E.g. the Fox family are the Foxes.
The word Koch is a proper noun, a person's name. A proper noun is always capitalized.The plural for nouns ending in 'ch' is formed by adding 'es' to the end of the word. The plural form is the Koches.
The plural form of the noun 'march' is marches.Nouns ending in ch, sh, s, x, and z add -es to the end of the word to form the plural.
The plural of sandwich is sandwiches.
It would entirely depend on the specific word's origin. And the vast majority of the nouns ending in u, end in a diphthong (two or more vowels), and the most correct answer in that case would be "add s".
As with names ending in S, Z, CH, and SH, the plural adds an ES. E.g. the Fox family are the Foxes.
The plural is Welches. It is perfectly regular: a noun ending in a 'ch' sound forms the plural by adding 'es', as in mulch, mulches.
Names (first or last) are made plural by adding an -s or an -es (for names ending in -s, -sh, -ch, -x, and -z) to the end of the name. Standard irregular plural forms are normally not used; for example, the Kennedy family are the Kennedys, not the Kennedies; the Columbus family are the Columbuses, not the Columbi.
The word Koch is a proper noun, a person's name. A proper noun is always capitalized.The plural for nouns ending in 'ch' is formed by adding 'es' to the end of the word. The plural form is the Koches.
Words that end in -ch are pluralised by adding -es, e.g.:church - churchescouch - coucheshunch - hunches
The plural form of the noun 'march' is marches.Nouns ending in ch, sh, s, x, and z add -es to the end of the word to form the plural.
The plural form of the noun 'pass' is passes.Nouns ending is -s, -x, -z, -ch, or -sh, add -esto the end of the word to form the plural.
The plural form for the noun branch is branches.Nouns ending in ch, sh, s, x, and z add -es to form the plural.
For nouns ending in 'ch', the possessive is formed by adding an apostrophe s ('s) to the end of the word.Examples:The church's roof has been repaired.The birch's leaves are budding.
To form the plural of a name (or any other noun) that ends in 'ch' you add '-es'. Hatch, Hatches. Winch, Winches. Rich, Riches. Such, Suches. There is an exception in the case of words where the 'ch' sound is not pronounced in the normal English way. For example, the plural of the German composer Bach is Bachs, not Baches. That is because the words 'Bachs' is easily pronounceable, whereas the word 'Hatchs' is not.
The plural of sandwich is sandwiches.
It would entirely depend on the specific word's origin. And the vast majority of the nouns ending in u, end in a diphthong (two or more vowels), and the most correct answer in that case would be "add s".