It is proxies.
The plural form of quiz is quizzes.
The plural form for the noun index is indexes.
Plural of zero is zeroes.
Chests is the plural of chest.
The plural of colt is colts
The plural form of him, her, or it is them. (objective pronouns)
Italy does not have a plural form.
The plural form of radius is radii.
The plural form of beauty is beauties.
The plural form of quiz is quizzes.
The plural form is spelt : subpoenas.
Trout is plural
The plural of dish is dishes.
The plural of foot is feet
The plural form of "sale" is "sales."
The plural form for the noun index is indexes.
The plural form for the noun coach is coaches.