Mastering common words that sound alike is essential for improving your spelling, sentence structure, and written communication in English.
Many words sound alike but mean different things when put into writing. This list will help you distinguish between some of the more common words that sound alike. Click on any of the blue underlined links to open a longer and more complete definition of the word in a new window.
Forms to Remember
What is the difference between Accept and Except?
- accept = verb meaning to receive or to agree:
He accepted their praise graciously.
- except = preposition meaning all but, other than:
Everyone went to the game except Alyson.
We are currently updating these resources, but for more information on these words, plus exercises, see our document on accept and except.
How to use Affect and Effect correctly?
- affect = verb meaning to influence:
Will lack of sleep affect your game?
- effect = noun meaning result or consequence:
Will lack of sleep have an effect on your game?
- effect = verb meaning to bring about, to accomplish:
Our efforts have effected a major change in university policy.
We are currently updating these resources, but for more information on these words, plus exercises, see our document on affect and effect.
What is the difference between Advise and Advice?
- advise = verb that means to recommend, suggest, or counsel:
I advise you to be cautious.
- advice = noun that means an opinion or recommendation about what could or should be done:
I'd like to ask for your advice on this matter.
How do Conscious and Conscience differ?
- conscious = adjective meaning awake, perceiving:
Despite a head injury, the patient remained conscious.
- conscience = noun meaning the sense of obligation to be good:
Chris wouldn't cheat because his conscience wouldn't let him.
What is the difference between Idea and Ideal?
- idea = noun meaning a thought, belief, or conception held in the mind, or a general notion or conception formed by generalization:
Jennifer had a brilliant idea—she'd go to the Writing Lab for help with her papers!
- ideal = noun meaning something or someone that embodies perfection, or an ultimate object or endeavor:
Mickey was the ideal for tutors everywhere.
- ideal = adjective meaning embodying an ultimate standard of excellence or perfection, or the best:
Jennifer was an ideal student.
How do Its and It's work?
- its = possessive adjective (possessive form of the
pronoun it):The crab had an unusual growth on its shell. - it's = contraction for it is or it has (in a verb phrase):
It's still raining; it's been raining for three days.
(Pronouns have apostrophes only when two words are being shortened into one.)
What is the difference between Lead and Led?
- lead = noun referring to a dense metallic element:
The X-ray technician wore a vest lined with lead.
- led = past-tense and past-participle form of the verb to lead, meaning to guide or direct:
The evidence led the jury to reach a unanimous decision.
How to Use Than vs. Then
What is the difference Between Their, There, and They're?
- Their = possessive pronoun:
They got their books.
- There = that place:
My house is over there.(This is a place word, and so it contains the word here.)
- They're = contraction for they are:
They're making dinner.(Pronouns have apostrophes only when two words are being shortened into one.)
How do To, Too, and Two Differ?
- To = preposition, or first part of the infinitive form of a verb:
They went to the lake to swim.
- Too = very, also:
I was too tired to continue. I was hungry, too.
- Two = the number 2:
Two students scored below passing on the exam.
Two, twelve, and between are all words related to the number 2, and all contain the letters tw.
Too can mean also or can be an intensifier, and you might say that it contains an extra o ("one too many")
What is the difference Between We're, Where, and Were?
- We're = contraction for we are:
We're glad to help.
(Pronouns have apostrophes only when two words are being shortened into one.)
- Where = location:
Where are you going?
(This is a place word, and so it contains the word here.)
- Were = a past tense form of the verb be:
They were walking side by side.
How to Distinguish Your vs. You're?
- Your = possessive pronoun:
Your shoes are untied.
- You're = contraction for you are:
You're walking around with your shoes untied.(Pronouns have apostrophes only when two words are being shortened into one.)
The I/E Spelling Rule
Write I before E
Except after C
Or when it sounds like an A
As in "neighbor" and "weigh"
i before e: relief, believe, niece, chief, sieve, frieze, field, yield
e before i: receive, deceive, ceiling, conceit, vein, sleigh, freight, eight
What are the exceptions to the I/E rule?
seize, either, weird, height, foreign, leisure, conscience, counterfeit, forfeit, neither, science, species, sufficient
The -ible and -able Spelling Rules
What are some exceptions to the -ible and -able rules?
- contemptible
- digestible
- flexible
- responsible
- irritable
- inevitable
Key Takeaways
- Words that sound alike can have completely different grammatical roles, such as accept (verb) versus except (preposition).
- Memory devices like the RAVEN acronym help distinguish tricky verb/noun pairs like affect and effect.
- The I/E spelling rule applies "i before e except after c" with specific exceptions like seize and weird.
- Suffix choices for -able and -ible depend on whether the root word is a complete standalone word.
Quick Practice
Test your knowledge of words that sound alike by answering the following questions in the comments section below:
- Should you use "affect" or "effect" in the sentence: "The new policy will ______ everyone in the office"?
- Is it spelled "their", "there", or "they're" when indicating ownership, as in "______ books are on the table"?
Frequently Asked Questions
What is the difference between affect and effect?
Affect is typically used as a verb meaning to influence, while effect is usually a noun meaning a result or consequence.
How do you remember the I/E spelling rule?
The standard rule is "i before e, except after c, or when it sounds like an a as in neighbor and weigh."
When do you add -able versus -ible to a word root?
You add -able if the root is a complete word (or a complete word minus a final -e), and -ible if the root is not a complete word.