ASVAB Word Knowledge: what it tests, how it scores, and how to practice
Word Knowledge (WK) is the vocabulary subtest. Each question gives you a word, sometimes inside a sentence, and asks for the answer closest in meaning. On the computer test it is 15 scored questions in 9 minutes; on paper, 35 questions in 11 minutes.
15 questions · 9 min
Scored questions and time limit without tryout questions.
35 questions · 11 min
Fixed question count and a single time limit for the subtest.
5 Army composites
Named by 106 of the 147 verified MOS on this site.
What the Word Knowledge subtest tests
Official description: "Ability to select the correct meaning of words presented in context and to identify the best synonym for a given word" (officialasvab.com, checked 2026-11-12).
The official description of WK is narrow and worth reading literally: the ability to select the correct meaning of words presented in context, and to identify the best synonym for a given word. Questions are single words or one-sentence contexts with four answer choices, and exactly one choice carries the meaning the test intends.
That description also tells you what is not on the subtest. There is no spelling section, no grammar section, and no question that asks you to use a word correctly in a sentence you write yourself. Antonyms appear only as distractors: an answer that means the opposite is a wrong answer, not a separate task.
Reading comprehension is a different subtest with its own passages and question types. If what you need is main-idea and inference work, that is Paragraph Comprehension, which is scored with WK into the same verbal composite.
How many questions and how long
The same subtest has a different shape on the two formats. Both rows come from the official table; the computer row is the scored count, so tryout questions can add time but never points.
| Format | Questions | Time limit |
|---|---|---|
| CAT-ASVAB (computer) | 15 scored (15 possible tryout) | 9 min without tryout, 18 min with |
| Paper and pencil | 35 | 11 min |
The full exam — every subtest, both formats, and the no-calculator rule — is on the ASVAB test format page.
Which scores WK counts toward
Word Knowledge and Paragraph Comprehension are scored together on the underlying ability scale to produce VE, and the AFQT percentile is looked up from AR + MK + 2 × VE. WK therefore reaches AFQT through VE, where the verbal pair carries twice the weight of Arithmetic Reasoning or Mathematics Knowledge. A weak WK score costs you on both AFQT and every line score built on VE.
In the Army line score definitions, WK enters through VE, so the nominal composites that name it are the verbal ones. The operational weights published by the Defense Manpower Data Center also give WK a weight in composites outside that nominal list; the score calculator shows those weights, and this page uses the nominal list for its job counts.
| Line score | Composite | Verified MOS naming it | Threshold range |
|---|---|---|---|
| GT | General Technical | 42 | 85–110 |
| CL | Clerical | 10 | 86–105 |
| OF | Operators and Food | 6 | 85–95 |
| SC | Surveillance and Communications | 4 | 95–105 |
| ST | Skilled Technical | 54 | 85–112 |
106 of the 147 verified MOS on this site name at least one of these composites, so a higher WK score can move several job thresholds at once. The score calculator shows the operational weights the Army actually applies, which differ from the nominal list above.
Practice Word Knowledge
A set locked to this subtest: 12 questions drawn from the 16-question bank, with an explanation for every answer. Nothing you answer leaves your browser, and the result is a raw count — never an AFQT or line score estimate.
0 of 12 answered
All questions are original ASVAB-style items reviewed for answer and explanation consistency; they are not official ASVAB items.
Want every subtest in one session? The full practice test mixes all 8 subtests with the same explanations.
How to prepare
Take the sentence seriously
When a word arrives inside a sentence, the sentence is there to fix which sense of the word is meant. Read it before looking at the choices, and say the word's meaning in your own words; only then compare answers.
Break words into parts
Many test words are built from Latin and Greek prefixes, roots and suffixes. Recognizing that a word begins with a negation or a "before/after" prefix often removes two choices without knowing the whole word.
Separate near-synonyms by strength and tone
Distractors are usually related words, not random ones. Two answers may both be plausible, with one stronger, more formal or more negative than the target word. Ask which choice could replace the word without changing the register of the sentence.
Use elimination on the choices, not the word
You do not need to define the word to answer. Cross out choices that are clearly unrelated, then choose between the remaining pair by checking each against the sentence.
Build vocabulary from reading you already do
News articles, textbooks and nonfiction keep producing the academic and workplace vocabulary this subtest samples. Collect words you have read but cannot define, with the sentence that contained them, and review those rather than a generic list.
Rehearse the clock
A practice set here is untimed, but the real subtest is not. Once your accuracy is steady, run a set while watching the clock so that a slow question does not eat the time of three later ones.
The study guide section for WK covers this subtest alongside the other seven, and the score chart shows how subtest scores turn into percentiles.
Frequently asked questions
How many Word Knowledge questions are on the ASVAB?
15 scored questions in 9 minutes on the computer test, and 35 questions in 11 minutes on the paper test. The computer test can also deliver tryout questions in this subtest that do not count toward your score; the two time limits are printed on the ASVAB test format page.
What score do I need on Word Knowledge?
There is no pass mark for a single subtest. Your raw answers become a standard score on a scale where the 1997 reference population has a mean of 50 and a standard deviation of 10, and jobs are judged on line scores built from several standard scores, not on one subtest. The score chart prints the AFQT conversion table and the Army score guide explains each line score.
How does Word Knowledge affect my AFQT and line scores?
Word Knowledge and Paragraph Comprehension are scored together on the underlying ability scale to produce VE, and the AFQT percentile is looked up from AR + MK + 2 × VE. WK therefore reaches AFQT through VE, where the verbal pair carries twice the weight of Arithmetic Reasoning or Mathematics Knowledge. A weak WK score costs you on both AFQT and every line score built on VE. On this site the nominal Army line scores that name it are GT, CL, OF, SC, ST, and 106 of the 147 verified MOS name at least one of them.
Is Word Knowledge just a vocabulary test?
The official description is a vocabulary task: choose the correct meaning of a word in context, and identify the best synonym for a given word. Spelling, grammar and written composition are not part of it.
Does Word Knowledge count twice toward the AFQT?
Not as a subtest, but the verbal pair does. AFQT is looked up from AR + MK + 2 × VE, and VE is the verbal score derived from Word Knowledge and Paragraph Comprehension together. That is why the two verbal subtests matter more per point than any single math subtest.
Next steps
- Check the exam format — question counts and time limits for every subtest, computer and paper
- Read the study guide for the other subtests and the line scores each one feeds
- Take the full practice test — 128 questions across all eight current subtests
- Compare branch minimums if you have not tested yet and want the enlistment floor
Other single-subtest pages: Paragraph Comprehension