1

Auditory

adj. 聽覺的，聽覺器官的

Audible

adj. 能聽見的

2

collaborate

v. 合作

corroborate

v. 證實(shí)，支持

3

desirous

adj. 渴望得到某物的（人）

desirable

adj. 值得擁有的（物）

4

exhaustive 

adj. 詳盡的，徹底的

exhausted

adj. 精疲力竭的

5

imminent

adj. 即將發(fā)生的

eminent

adj. 顯赫的，杰出的

6

insure

v. 投保險(xiǎn)

ensure

v. 確定，保證

7

indecisive

adj. 不明確的，無判斷力的

indefinite

adj. 無限期的

8

opposite 

adj. （地理位置上）相反的

opposed 

adj. （抽象概念上）相反的

9

proceed 

v. 前進(jìn)

precede

v. 在…之前

10

prospective

adj. 可能的，預(yù)期的

perspective

n. 看法，觀點(diǎn)

11

raise

v. 舉起（別的某物）

rise

v. （某物自己）上升

12

repel

v. 擊退，排斥

Propel

v. 推動(dòng)，驅(qū)使

Definition

Correct usage

Accept vs.Except

Accept- to receive or take as payment
Except-with the exclusion of

We accept credit cards for purchases except those under five dollars

Affect vs. effect

Affect (verb)-to influence or change
Affect (noun)-emotion or feeling
Effect (verb)- to cause a change; the object is the change

The rain did not affect our crop yield. This was not the expected effect.
Bill sought to effect changes in environmental policy.
Laura claimed indifference, but displayed an excited affect.

Allude vs. elude

Allude-reference something indirectly
Elude-to escape

In The Aeneid, Vergil alludes to events in Roman history. In it, Aeneas eludes the Cyclopes.

Complement vs. compliment

Complement-to complete, make perfect
Compliment-to give praise

The red sash complements the rest of my outfit. I got many compliments on it today.

Counsel vs. council

Counsel (verb)-to complete, make perfect
Counsel (noun)-advice
Council-an assembly or meeting

The council meets everyday. Their job is to counsel the king on matters of the State.

Elicit vs. illicit

           Elicit-to bring out
Illicit-not allowed by law

We elicited a confession quickly. He was very open about his illicit behavior.

Emigrate vs. immigrate

Emigrate-to leave and mover to another place
Immigrate-to come to a country to live there

Programs are available for skilled workers to emigrate from Asia. Many have thus immigrated to the U.S.

Eminent vs. imminent

Eminent-standing out, prominent
Imminent-about to take place

Dark, eminent clouds filled the sky. A storm was imminent.

Gracious vs. gratuitous

Gracious-pleasantly kind, prominent
Gratuitous-without reason or payment

Molly was a gracious host at the party, even when a guest began yelling gratuitous insults.

Infirmary vs. infirmity

Infirmary-a place for care of the sick
Infirmity-disability or weakness

The infirmities she was suffering from only increased as she aged in the infirmary.

Lose vs. loose

Lose-become unable to find, misplace
Loose-free, not bound together

I will lose my keys if they are tied on with a loose knot.

Precede vs. proceed

Precede-to come before
Proceed-to move forward

A loud noise preceded the fireworks. The officers told us to proceed with caution.

Principle vs. principal

Principle-a rule or fact
Principal (noun)-chief official
Principal (adjective)-most important

Always use the principle: “Ask before taking.” This is the principal way we keep track of items.

Reluctant vs. reticent

Reluctant- feeling hesitation
Reticent-reserved, silent

A reticent person, Jonah was reluctant to speak in public.

Respectful vs. respective

Respectful-showing respect or admiration for
Respective-relating separately

The guests were respectful of the rules she had set. They stayed at their respective tables.

Than vs. then

Than-a conjunction used to compare
Then-next or soon after

I told her I liked peas more than candy. Then she really thought I was lying!

Too vs. to

Too- in addition, also, or excessively
To-a preposition used to show direction towards a point

Please drive to the market this afternoon. Make sure you bring the coupons, too: you don’t want to spend too much.

Weather vs. whether

Weather-temperature and conditions
Whether-which of the two

I cannot decide whether to go to the park or the gym. I suppose it depends on the weather.

Its vs. It’s

Its is the possessive form of “it.”
It’s means “it is.”

It’s hard to tell when the baby will start crying. Its arched brows make it always appear upset.

Their vs. They’re

Their is the possessive form of “they.” They’re means “they are.”

The team practiced all year, and their hard work paid off. They’re going to the championship.

Whose vs. who’s

Whose is the possessive form of “they.” They’re means “they are.”

Who’s going to the store with me? Judy is. Now whose car should we take?

Your vs. You’re

Your is the possessive form of “you.” You’re means “you are”

You’re too talented to give up acting. Plus, your voice is incredible.