Grammar
run, jump, walk, chair
chair - because it's a noun, others are verbs
Japan, Egypt, Seoul, Brazil
Seoul - because it is a city, the others are countries
blue, purple, black, snake
snake - because it is an animal, the others are colors
yesterday, often, tomorrow, today
often - because it is a frequency adverb, not a specific time
rat, flat, bat, crack
crack - because it does not rhyme
better, taller, biggest, faster
biggest - because it's is superlative, others are comparatives
computer, pizza, tacos, sushi
computer - because it is not food
kiwi, pineapple, carrot, pear
carrot - because it is a vegetable, the others are fruits
am going, went, go, goes
went - because it is past tense, the others are present forms
two, too, ten, to
ten - because it is not a homophone
children, mice, feet, cats
cats - because it is a regular plural, the others are irregular
America, English, French, Spanish
America - because it is not a language
Winter, Autumn, Monday, Summer
Monday - because it is a day of the week, not a season
in the morning, fast, on Tuesday, at night
fast - because it is not a time expression
book, look, food, look
food - because it has a different vowel sound
go, went, bought, played
go - because it is not in past tense
South America, Africa, China, Australia
China - because it is a country, the others are continents
desk, chair, teacher, blackboard
teacher - because it is a person, the others are classroom objects
was, am, are, be
be - because it is the base form, others are conjugated
write, rain, read, run
write - because it starts with a silent letter ("w")
quickly, careful, slowly, happily
careful - because it's an adjective, the others are adverbs
Nile, Amazon, Everest, Mississippi
Everest - because it is a mountain, the others are rivers
happiness, quickly, sadness, anger
quickly - because it is an adverb, the others are emotions
eat, will eat, is eating, ate
eat - because it is the base form, the others show tense
kite, know, knee, knife
kite - because it doesn't have a silent "k"