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How to spell by rule instead of by eye

6 min lesson 2 min for the key points

Fact-checked October 15, 2026

TEAS 7 outline: Standard English spelling

Also covers HESI A2 Grammar (Punctuation and capitalization)

In 30 seconds
  • Spell by rule, not by what looks right.
  • Long-e sound: ie, except after c (believe, receive).
  • Before a vowel ending, drop a silent e: hoping.
  • Before a vowel ending, double a stressed final consonant: referred.
  • Change consonant + y to i, except before -ing.

Key facts

  1. ie/ei is a guideline, not a law: when the pair sounds like the e in bee, usually write ie (believe), except after c, where it is ei (receipt); when it sounds like the a in say, write ei (weight).
  2. Common ie/ei exceptions to memorize: either, neither, seize, weird, protein, caffeine, leisure.
  3. Drop a silent final e before an ending that starts with a vowel (hope → hoping) and keep it before an ending that starts with a consonant (care → careful).
Show all 7 key factsShow fewer
  1. After a consonant, change y to i before an ending (carry → carried, happy → happiness) but keep the y before -ing (carrying); after a vowel, keep the y (stayed).
  2. Double the final consonant before a vowel ending when the word ends in one vowel plus one consonant and is one syllable or stressed on the last syllable (plan → planning, refer → referred).
  3. Plurals: add -s; add -es after s, sh, ch, x, z; consonant + y becomes -ies; vowel + y just adds -s; never use an apostrophe to make an ordinary plural (two nurses, not two nurse's).
  4. Sound-alikes: their = belonging to them, there = place, they're = they are; its = belonging to it, it's = it is; affect is usually the verb, effect usually the noun; than compares, then tells time.

Quick check1 question · 2 more at the end

Which of the following words is spelled correctly?

Full lesson

Each part starts with its main idea. Open a part when you want the details.

The short answer: Spell by rule, not by feel. For the long-e sound, write ie except after c (believe, receive), and memorize the few exceptions. Before a vowel ending, drop a silent e and double a short final consonant (hoping, planning). Change consonant + y to i except before -ing (carried, carrying). For sound-alike words, swap in the full meaning to test.

1 Why can't you trust what looks right?Spelling items reward a short list of rules, not a feeling that a word looks familiar. 1 min

Spelling items reward a short list of rules, not a feeling that a word looks familiar. Misspellings like recieve are common precisely because they look normal. Use this method on every choice:

  1. Split the word into its base and its ending (refer + ed).
  2. Ask whether the ending starts with a vowel or a consonant.
  3. Look at the last letters of the base: silent e, a y, or one vowel plus one consonant.
  4. Apply the rule, then check the short exception list.
  5. For sound-alike words, swap in the meaning and see whether the sentence still works.
2 How do you choose ie or ei?Say the word and let the sound pick the spelling. 1 min

Say the word and let the sound pick the spelling.

Sound Rule Correct Incorrect
"ee," as in bee ie Patients believe the new plan helps. Patients beleive the new plan helps.
"ee" right after c ei Keep the receipt for the copay. Keep the reciept for the copay.
"ay," as in say ei Record the patient's weight. Record the patient's wieght.

The rule has exceptions, so memorize the common ones: either, neither, seize, weird, protein, caffeine, leisure. The rule covers only the long-e sound, so a word like science falls outside it.

3 What happens when you add an ending?Look at how the base word ends before you attach anything. 1 min

Look at how the base word ends before you attach anything.

Rule Correct Incorrect
Silent e + vowel ending: drop the e She is hoping to pass. She is hopeing to pass.
Silent e + consonant ending: keep the e Be careful with the scale. Be carful with the scale.
Consonant + y: change y to i The aide carried the tray. The aide carryed the tray.
…but keep y before -ing She is carrying the tray. She is carriing the tray.
Vowel + y: keep the y He stayed late. He staied late.
One vowel + one consonant, stressed last: double The nurse referred him. The nurse refered him.
Stress not on the last syllable: don't double The clinic profited. The clinic profitted.

Quick test for doubling: say the word aloud. Re-FER and com-MIT stress the end, so they double (referred, committed); PROF-it does not. One-syllable words like plan double before a vowel ending (planning), and no word doubles before a consonant ending (commitment).

One silent-e exception to know: noticeable keeps its e so the c stays soft.

4 How do you make a word plural?Look at the final letters, and remember that an ordinary plural never takes an apostrophe. 1 min

Look at the final letters, and remember that an ordinary plural never takes an apostrophe.

Word ends in Rule Correct Incorrect
Most letters add -s two nurses two nurse's
s, ss, sh, ch, x, z add -es three boxes three boxs
consonant + y change to -ies many injuries many injurys
vowel + y add -s four days four daies
f or fe usually -ves, check a dictionary two knives, two beliefs two knifes

Irregular plurals must be memorized: child → children, mouse → mice, crisis → crises.

5 How do you pick between sound-alike words?Replace the word with its meaning, and only the correct spelling will still make sense. 1 min

Replace the word with its meaning, and only the correct spelling will still make sense.

Pair Swap test Correct Incorrect
they're / their / there they're = "they are"; their = belonging to them; there = place The nurses updated their charts. The nurses updated there charts.
it's / its it's = "it is" or "it has" The clinic changed its hours. The clinic changed it's hours.
affect / effect affect is usually the action (verb); effect is usually the result (noun) Caffeine can affect sleep. Caffeine can effect sleep.
than / then than compares; then tells time or what comes next The pill worked faster than the syrup. The pill worked faster then the syrup.

Two rare exceptions: as a verb, effect means to bring about (effect change), and in psychology affect is a noun for a person's visible emotional response.

Common mistakes

The traps students fall into most. Read these before you practice.

  • Watch out: A word that looks familiar is not proof: recieve and occured look normal at a glance, but the rules give receive and occurred.

  • Watch out: Watch for a choice that fixes one misspelling and leaves another; check every word in every option before choosing.

  • Watch out: Its with no apostrophe is the possessive; it's always means it is or it has, so the clinic changed its hours, not it's hours.

  • Watch out: Doubling only happens on stressed final syllables: referred doubles, but profited and visited do not.

  • Watch out: Words like science are not covered by the i-before-e rule because the letters do not make the long-e sound; check the sound before applying the rule.

How to remember it

Remember four words, "vowel ending, look back," and most suffix questions solve themselves. Before an ending that starts with a vowel, a silent e drops and a stressed final consonant doubles. A consonant + y turns to i unless the ending is -ing.

Self-check:

  1. Spell admit + ed and benefit + ed, and say why only one doubles.
  2. Write the plurals of family, key and match.
  3. Fill the blank with its or it's: "The lab sent ___ report, and ___ ready to read."
Show answers
  1. Admitted and benefited.
    • Say them aloud: ad-MIT stresses the last syllable, so the t doubles (admitted).
    • BEN-e-fit does not stress the last syllable, so it does not double (benefited).
  2. Families, keys and matches.
    • Family ends in consonant + y, so change to -ies: families.
    • Key ends in vowel + y, so add -s: keys.
    • Match ends in ch, so add -es: matches.
  3. Its, then it's.
    • "The lab sent its report" shows ownership; "it is report" makes no sense.
    • "It's ready to read" means "it is ready to read."
Check yourself

Try it: 2 questions

  • 2 questions
  • English and Language Usage
  • 5 min in exam mode

Questions are original practice items written to the published exam content, not real exam questions.

Finished this lesson? It is marked done when you finish the questions above. You can also mark it yourself.
Sources (6)
  1. University of Arkansas at Little Rock Writing Center, Spelling
  2. Pasco-Hernando State College Writing Center, Plurals
  3. University of Toronto, University College Writing Centre, Plurals
  4. OpenStax Writing Guide with Handbook, Handbook (Words Commonly Confused)
  5. Purdue OWL, How to Use the Apostrophe
  6. Santa Clara University Writing Center, Affect and Effect

Written with AI and checked against the sources above by a separate review step. No teacher or nurse reviews this content. How we make our content. HealthcareExams is independent and not affiliated with ATI.

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