No tienen plural

Noun	Meaning
Baggage/Luggage	The bags that contain all your clothes and other items when you are travelling
Evidence	The facts available to prove something, for example, “evidence in a court case”
Furniture	Large, movable items around your house, for example, television, sofa, table, chair
Homework	Assignments that students get from school
Housework	Different things that you do to maintain your home, like cleaning
Jewelry	Rings, necklaces, bracelets, earrings and other accessories we wear
Money	Coins and banknotes that we use as currency
Music	Vocal or instrumental sound
News	Information about current topics from around the world
Pajamas	Clothing you wear at night
Sheep	Woolly mammals typically kept as livestock
Pants	Cloths worn below the waistline with a section for each leg