The plural of couch is couches (as with touch and touches).
The plural form of the noun couch is couches.The plural possessive form is couches'.example: All of these couches' prices are too high.
COUCHES
The plural form of him, her, or it is them. (objective pronouns)
Italy does not have a plural form.
The plural of couch is couches.
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