Section 4.3: Police Vocabulary & Misspelled Word Detection

Key Takeaways

  • Memorize commonly misspelled law enforcement terms such as 'occurred,' 'vehicle,' 'suspicious,' and 'personnel.'
  • Pay close attention to double letters, silent letters, and the 'i before e' rule and its exceptions.
  • In sentence-completion questions, read the entire sentence to ensure the word you select fits both correctly in spelling and contextually in meaning.
  • A misspelled word in a police report can make an officer appear uneducated and undermine the factual accuracy of the document.
Last updated: July 2026

Police Vocabulary & Misspelled Word Detection

Quick Answer: The NPOST evaluates your spelling ability because police reports require precision. Words like "occurred," "received," "suspicious," and "vehicle" appear constantly in law enforcement writing. You must train your eye to spot subtle spelling errors, such as missing double letters or inverted vowels, often presented in multiple-choice sentence completion formats.

Spelling might seem like a minor detail in the age of spell-checkers, but police officers frequently write field notes, citations, and preliminary reports without digital assistance. A report riddled with spelling errors damages the officer's credibility. If an officer cannot accurately spell "marijuana" or "subpoena," a defense attorney may argue that the officer is similarly careless with facts, evidence collection, and procedures.

The Anatomy of Spelling Errors

The NPOST doesn't test obscure words; it tests common words that are notoriously difficult to spell. The test creators deliberately design options that look phonetically plausible but are technically incorrect. To succeed, you must understand where spelling errors typically hide.

1. The Double Letter Dilemma

Many common police words contain double letters. Test questions often remove one letter or add an unnecessary double letter to confuse you.

  • Occurred: Contains two c's and two r's. (Incorrect options: ocured, occured, occurrred)
  • Possession: Contains two s's and two s's again. (Incorrect options: posession, posesion)
  • Harassment: Contains one r and two s's. (Incorrect options: harrassment, harrasment)
  • Accomplice: Contains two c's. (Incorrect options: acomplice)
  • Personnel: Contains two n's. (Incorrect options: personel)

2. The "I Before E" Rule (and Exceptions)

The old rhyme "I before E, except after C, or when sounding like 'A' as in neighbor and weigh" is helpful, but there are exceptions.

  • Received: Exception applied (after C). (Incorrect option: recieved)
  • Thief: Rule applied. (Incorrect option: theif)
  • Seize: Exception to the rule. (Incorrect option: sieze)
  • Yield: Rule applied. (Incorrect option: yeild)

3. Silent Letters and Tricky Endings

Words with silent letters or confusing suffixes are prime targets for spelling questions.

  • Vehicle: The 'h' is silent. (Incorrect options: veicle, vehical)
  • Subpoena: The 'o' is tricky. (Incorrect options: subpena, supeena)
  • Suspicious: Ends in -cious. (Incorrect options: suspiscious, suspitious)
  • Visible: Ends in -ible, not -able. (Incorrect options: visable)
  • Marijuana: Contains a 'j', though pronounced like 'h'. (Incorrect options: marihuana - though legally used in some older statutes, 'marijuana' is standard spelling, watch for marajuana)

Comprehensive Law Enforcement Vocabulary List

Study this list of words frequently encountered in police work and on the NPOST. Pay close attention to the bolded, tricky parts of each word.

WordTricky AspectMeaning in Context
AffidavitEnds in -vit, not -vatA written sworn statement of fact
AuxiliaryEnds in -iaryProviding supplementary or additional help and support
CommittedDouble 't'Carried out a crime
CorroborateDouble 'r'To confirm or give support to (a statement or theory)
DefinitelyContains 'finite', no 'a'Without doubt
DisciplineEnds in -plinePractice of training people to obey rules
Lieutenant'ieu' combinationA police rank above sergeant
Nuisance'ui' combinationA person, thing, or circumstance causing inconvenience
ParaphernaliaContains 'er' and 'al'Equipment or apparatus used in or necessary for a particular activity
PersistentEnds in -ent, not -antContinuing firmly in a course of action
Sergeant'ergea' combinationA police rank below lieutenant
Surveillance'eill' combinationClose observation, especially of a suspected spy or criminal

Strategies for Sentence-Completion Questions

The NPOST often presents spelling questions in a sentence-completion format: "The officer ______ the suspect's vehicle."

Strategy 1: Cover the Options

Read the sentence and mentally visualize or write down the correct spelling of the word before looking at the choices. If you look at the choices first, the phonetically plausible but incorrect spellings (like occurrred) can plant seeds of doubt in your mind and override your natural spelling instincts.

Strategy 2: Eliminate the Obvious Fakes

Scan the options and cross out the ones that contain obvious errors, such as missing double letters for words you know require them. Narrowing the field from four to two significantly increases your odds.

Strategy 3: Check Context, Then Spelling

Sometimes, the test will offer two correctly spelled words, but only one makes sense in the context of the sentence. Ensure the word you choose is not only spelled right but is the correct word for the sentence.

  • Example: The suspect attempted to (elude / allude) the police.
  • Elude (escape) is correct. Allude (suggest or call attention to) is spelled correctly but makes no sense in context.

Practice Drill: Visual Recognition

Train your eyes to spot the errors. Which of these are wrong?

  1. Asault
  2. Cematary
  3. Defendent
  4. Gaurantee

Answers: They are all incorrect. The correct spellings are: Assault (double s), Cemetery (all e's), Defendant (ends in -ant), Guarantee (u before a).

By repeatedly exposing yourself to the correct spellings of these law enforcement-specific words, you will build visual familiarity. On test day, the incorrect spellings will look wrong to you intuitively, allowing you to confidently select the correct answer and secure points on the grammar and spelling section of the NPOST.

Test Your Knowledge

Choose the correctly spelled word to complete the sentence: The officer observed a ____________ package left unattended near the entrance of the courthouse.

A
B
C
D
Test Your Knowledge

Select the correct spelling of the missing word: The witness stated that the traffic accident ____________ at approximately 1400 hours.

A
B
C
D
Test Your Knowledge

Which sentence contains a spelling error?

A
B
C
D