Des chausettes propres
A cat is "un chat", masculine noun and singular if there is only one. Use the plural "des chats" when there are several of them.
un total (singular), des totaux (plural)
There is no connection between the first letter of a word and its singular or plural, for example : - un hôtel (singular) / des hôtels (plural) - un oiseau (singular) / des oiseaux (plural)
singular: un manteau, plural: des manteaux
singular: un manteau, plural: des manteaux
"Des chaussures" is the plural for "une chaussure". You can use "chaussure" as a singular, if this is what you are asking.
singular: "un ami" or "une amie" (for a female friend) plural: "des amis" or "des amies" (for an all-female group of friends)
"Chaussure" for singular and "Chaussures" for plural
Une corde (fem., singular), des cordes (fem., plural)
Un robe (fem. singular), des robes (fem. plural)
Ciseau is a masculine, singular noun. Des ciseaux is plural and masculine.