Commonly Confused Words ● APU Writing Center ● (626)815-6000 ext.3141 ● apu.edu/writingcenter ● apu.mywconline.com ● Affect usually a verb—to act on a situation or the mind, to influence change: “That bad call will affect the game.” Effect usually a noun—the result: “The trip had an effect on them.” a title that refers to a phenomenon: “Our class discussed the Doppler Effect.” sometimes a verb—to bring about: “I want to effect change.” A lot two distinct words meaning a significant amount: “He ate a lot of pizza.” Alot not a word Altogether entirely: “I thought the group presentation was altogether excellent.” All together everything or everyone in one place: “The kids were all together watching a movie in the living room.” Capital a seat of government: “The capital of California is Sacramento.” financial resources: “Starting a new business requires a large amount of capital.” Capitol a building where a legislative body meets: “The governor announced his resignation at the Capitol today.” Everyday commonplace, ordinary, normal (adjective): “Having dinner is an everyday occurrence.” Every day each day: “I pray every day when I first wake up.” Its the possessive form the pronoun it—does not require an apostrophe: “The dog licked its paw.” It’s combination of it and is: “It’s raining today.” Lead a type of metal: “The officer’s vest is made of lead.” to guide, to precede: “Will you lead me to the store?” Led the past tense of to lead: “Dr. Wallace led the students on a hike.” Lie to lie oneself down (a person or animal): “I’m exhausted from the trip, so I’m going to lie down.” Lay to lay an object down (something that cannot lie down on its own): “Lay your weapons down!” the past tense of lie: “I had a headache, so I went to lay down.” Lose to fail to keep: “I hope I don’t lose my ID card.” Loose to release something (verb): “The young girl set loose her wild horse.” the opposite of tight (adjective): “This watch is so loose that it won’t stay on.” Principal the most important (adjective): “The principal ingredient in chocolate chip cookies is chocolate chips.” Principle a fundamental truth, a value: “The students conducted the study using the principle of gravity.” Rev 9/11/14 Than used in comparisons: “This class is harder than my last one.” Then refers to time, meaning soon after, also, next: “Then we went out for ice cream.” That refers to something: “I bought that last week from a man living in Azusa.” Who pronoun referring to a person or persons: “How could Jill, who is brilliant, struggle in calculus?” Which pronoun referring to a particular one or ones out of a group: “Which history class do you have?” relative pronoun providing additional information about what came before: “I love my car, which is fast.” Their the possessive form of the pronoun they—does not require an apostrophe: “I went to their dorm.” They’re combination of they and are: “They’re doing homework right now.” There at a certain place: “Please, put the book over there.” Through by means of: “He aced that paper through discipline and hard work.” finished: “Countless dangers would assail the hobbit before his journey was through.” into or out of: “It is family tradition to honk the car horn when driving through a tunnel.” Threw past tense of to throw: “She accidentally threw away her homework.” To shows direction: “I went to school there.” used in comparisons: “The score is ten to eight.” until: “They danced from sunrise to midnight.” before: “The time is five to seven.” Too overly: “It’s too hot to go outside also: “He’s a student, too.” Two the number: “I want two Tiger Tails from Donut Man, please.” We’re combination of we and are: “We’re going home for break.” Were past tense of to be: “We were at In ‘N’ Out.” Whose the possessive form of the pronoun who—does not require an apostrophe: “Whose shoes are these?” Who’s combination of who and is: “Who’s going to the birthday party?” Who subject in a sentence, the one doing the action: “Billy is the kid who stole the cookies.” Whom object in a sentence, the one who has the action done to him or her: “Whom did Sarah choose?” Your the possessive form of the pronoun you—does not require an apostrophe: “He borrowed your notebook.” You’re combination of you and are: “You’re a good student.” Rev 9/11/14