List 1 - Singular and Plural Nouns

Lists of Singular and Plural Nouns (15)
Singular and plural forms of compound nouns
Some nouns have same singular and plural forms or have plural ending (-s).
The singular and plural forms of some nouns are the same.
By changing the vowels
By adding -s
By adding –s or changing –f into –ves
By adding –s to nouns ending in –f or –fe
By changing –f or –fe into –ves
By adding –s if there is a vowel before the -y
The ending –is is changed to –es
By changing –y into –ies if a noun ends in a consonant before the -y.
By adding –s or –es to nouns ending in -o
By adding –es to nouns ending in -o.
By adding –s to nouns ending in -o.
By adding -es to nouns ending in –ch, -s, -sh, -ss, -x, and -z.