What do you add if the letter in front of the plural noun that ends with Y?

For nouns ending in 'y' preceded by a consonant, the plural is formed by dropping the 'y' and adding 'ies' to the end of the Word.

For nouns ending in 'y' preceded by a vowel, the plural is formed by adding an 's' after the ending 'y'.

Examples:

• baby, babies
• party, parties
• story stories
• boy, boys
• play, plays
• stray, strays