10.3 Spelling Commonly Confused Words (e.g., patience/patients)

Key Takeaways

  • CritiCall's Spelling module is officially described as testing correct spelling of commonly misspelled or misused words, with the test taker responding on keyboard — likely a typed response, not just multiple choice.
  • The module targets homophones (patience/patients, their/there/they're, its/it's) because a homophone swap produces a real, correctly spelled word that silently changes meaning.
  • Practice without autocorrect: CritiCall's typed fields and real CAD systems will not flag a correctly spelled but wrong homophone for you.
  • Dispatch-relevant confusable pairs include site/sight/cite, principal/principle, affect/effect, and stationary/stationery — each has a real-world CAD-entry consequence.
  • A speed-induced typo and a true spelling gap are scored the same way, so accuracy under time pressure matters as much as knowing the correct word.
Last updated: July 2026

Why Spelling Is Tested

CritiCall's official candidate guide states the stakes plainly: dispatchers must "correctly spell commonly-used words that sound alike but might delay badly-needed assistance if misspelled (e.g., patience instead of patients)." The separate Spelling module is officially described as testing the "ability to spell commonly misspelled or misused words," and — notably — "test taker responds on keyboard." That last detail matters for how you prepare: unlike some other CritiCall items that use a four-option bubble format, the Spelling module may require you to type the correctly spelled word directly, not simply recognize it among choices. That means recognition alone isn't enough; you need to be able to produce the correct spelling from memory, under time pressure, without a spell-checker.

The stakes example the test publisher chose — patience versus patients — is deliberately instructive. A CAD entry that reads "the subject has no patients" instead of "the subject has no patience" is grammatically valid, spelled correctly as a word, and completely wrong in meaning. This is exactly why the module targets homophones (words that sound identical or nearly identical but are spelled differently and mean different things) rather than obscure vocabulary. A misspelling that produces a nonsense word gets caught by almost any human reader on a second look; a homophone swap produces a real, correctly spelled word that reads fine and is silently wrong — which is far more dangerous in a CAD log that gets read hours or days later by someone who wasn't on the original call.

Homophones & Confusable Pairs Relevant to Dispatch Work

PairDispatch-relevant meaningsHow to keep them straight
patience / patientspatience = calm waiting; patients = people receiving medical care"patients" ends like the plural of "patient" (the person); use it whenever EMS or a hospital is involved
their / there / they'retheir = possession; there = a place; they're = they are"there" contains "here" (a place); "their" contains "heir" (something belonging to someone)
its / it'sits = possessive; it's = it isRead "it's" back as "it is" — if that doesn't make sense in the sentence, use "its"
affect / effectaffect = verb, to influence; effect = noun, a result"Affect" acts like an action (a verb); "Effect" is the "end" result (a noun)
principal / principleprincipal = person in charge, or "main"; principle = a rule or standard"princiPAL" is your PAL in charge; "princiPLE" is a ruLE
site / sight / citesite = a location (crime site); sight = vision (officer sighted the vehicle); cite = to issue a citation"site" matches "location"; "sight" matches "eyesight"; "cite" matches "citation"
stationary / stationerystationary = not moving; stationery = paper/writing materials"stationEry" and "lEtter" paper both contain "e"
complement / complimentcomplement = something that completes another thing; compliment = an expression of praisea "compliment" has an "I" in it, like praise directed at "I"
accept / exceptaccept = to receive or agree to; except = excluding"except" is the one that shows up after words like "unless" or "other than"
discreet / discretediscreet = careful or private in conduct; discrete = separate and distinctuse "discreet" for a low-key surveillance request, "discrete" for separately countable items
lead / led"lead" (rhymes with "reed") is present tense; "led" (rhymes with "red") is past tenseif the action already happened, it's "led," never "lead"
waive / wavewaive = to give up a right; wave = a hand gesture or water motion"waive" pairs with "Miranda rights waived"; never spell it "wave" in that context

Format & Mechanics

Since the Spelling module response is typed rather than selected, practice without relying on autocorrect or a spell-checking browser extension — CritiCall's on-screen text fields, and real CAD systems, will not fix a typo or a homophone swap for you. In some presentations you'll see a full sentence with a blank and must supply the correctly spelled word that fits ("The officer requested that EMS transport two _____ to County General" — correct entry: patients). In others you may be shown several near-miss spellings of one word and must identify or type the one that's correct (for example, distinguishing "receive" from "recieve" and "receeve"). Either way, the underlying test is the same: can you produce the exact correct spelling on demand, quickly, the way a real CAD system will require.

Worked Example

Dictated fact: paramedics are transporting two injured people. Complete the CAD note: "EMS transporting two _____ to County General, non-life-threatening injuries." The correct entry is patients — the plural noun for people receiving medical care — not "patience," which would describe a state of mind and make the sentence meaningless in context. A dispatcher who defaults to the more familiar-looking word without checking meaning-in-context produces exactly the kind of silent error this module is built to catch.

Common Traps

  • Autocorrect dependency. Everyday typing on a phone or computer with autocorrect enabled hides homophone errors that a keyboard-only CAD entry field will not catch.
  • Familiarity bias. Choosing the spelling that "looks right" from habit, without re-reading the full sentence for meaning.
  • Speed-induced typos. Knowing the correct word but mistyping a letter under time pressure — a different failure mode than not knowing the spelling, but scored the same way.
  • Assuming spell-check exists. CritiCall's typed-entry format and most CAD systems do not auto-flag a correctly spelled but wrong homophone.

Takeaways

CritiCall's Spelling module is a typed test of exactly the homophones that silently change a CAD entry's meaning — patience/patients, their/there/they're, site/sight/cite, and similar pairs — not obscure vocabulary. Because a homophone swap produces a real, correctly spelled word, practice without autocorrect, learn the dispatch-relevant pairs in this section's table, and remember that a speed-induced typo costs the same points as not knowing the word at all.

Test Your Knowledge

A dispatcher is completing a CAD note about a hit-and-run and needs to record that officers should look for the vehicle at the crash location. Which word correctly completes: "Officers responded to the crash _____ on Fifth Avenue"?

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Test Your Knowledge

Why does the CritiCall Spelling module specifically test homophones like patience/patients rather than testing difficult or unusual vocabulary?

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