Vocabulary Lesson 22: Root -duce-

Vocabulary Lesson 22:

The Root -duce-

The words in this lesson are formed from the Latin word ducere, which means "to lead." In English, the root -duce- can also be spelled duct, duk, and duit. Many common words contain this root. For example, a duct leads air or water somewhere. To introduce can be thought of as "to lead someone or something to another." In this lesson, you will learn ten useful words that come from this root.

Multiple Choice

The breeder was devastated when two of her prize show dogs were abducted.

• kidnapped

• exercised

• killed

• made ill

Multiple Choice

The breeder was devastated when two of her prize show dogs were abducted.

• noun

• verb

• adjective

• adverb

Multiple Choice

The abduction of the Prime Minister's daughter gripped the nation for weeks.

• noun

• verb

• adjective

• adverb

verb

• to carry off by force

• to kidnap

noun - abduction

​

​abduct

Multiple Choice

The manager conducted the sales meeting with great efficiency and skill, making sure that all items on the agenda were covered.

• guided

• neglected

• prepared for

• electrified

Multiple Choice

The manager conducted the sales meeting with great efficiency and skill, making sure that all items on the agenda were covered.

• noun

• verb

• adjective

• adverb

Multiple Choice

Teachers expect better conduct from eighth-graders than from kindergarteners.

• hygiene

• skills

• behavior

• writing

Multiple Choice

Teachers expect better conduct from eighth-graders than from kindergarteners.

• noun

• verb

• adjective

• adverb

Multiple Choice

The conductor sets the tempo for the orchestra.

• noun

• verb

• adjective

• adverb

verb

• to lead, guide, run, or manage

noun - conduct

• the way a person acts

• behavior

noun - conductor

• a person who directs a performance

​conduct

​Notice the verb conduct is pronounced differently from the noun.

Multiple Choice

The electrical conduit's fireproof insulation prevented a blaze from starting inside the wall.

• reflection

• charge

• spark

• channel

Multiple Choice

The electrical conduit's fireproof insulation prevented a blaze from starting inside the wall.

• noun

• verb

• adjective

• adverb

Multiple Choice

The diplomat was a conduit for messages between the two leaders.

• passage of information

• organization of finances

• blockade of information

• secret agent

noun

• a pipe or channel for transporting fluids, gases, or wires

• a means of getting or communicating something

​

​conduit

Multiple Choice

When Derek saw a food-covered picnic table, he deduced that the campers were nearby.

• ate

• hungered

• concluded

• hoped

Multiple Choice

When Derek saw a food-covered picnic table, he deduced that the campers were nearby.

• noun

• verb

• adjective

• adverb

Multiple Choice

The character Sherlock Holmes was a master of using deduction to solve crimes.

• noun

• verb

• adjective

• adverb

Multiple Choice

Many geometry proofs are based on deductive reasoning.

• noun

• verb

• adjective

• adverb

verb

• to reach a conclusion through logical reasoning

noun - deduction

adjective - deductive

​

​deduce

Multiple Choice

William, Duke of Normandy, conquered England in 1066.

• president

• peasant

• prince

• high nobleman

Multiple Choice

William, Duke of Normandy, conquered England in 1066.

• noun

• verb

• adjective

• adverb

noun

• a nobleman of the highest rank other than prince or king

duchess - wife of a duke

duchy - the land dominion of a duke

​

​duke

​The word duke is taken from duk, meaning "lead," because historically a duke led soldiers into battle.

Multiple Choice

The bank offered a free CD player as an inducement for opening an account there.

• prize

• encouragement

• blockade

• payment

Multiple Choice

The bank offered a free CD player as an inducement for opening an account there.

• noun

• verb

• adjective

• adverb

Multiple Choice

Warm milk helps to induce sleep.

• noun

• verb

• adjective

• adverb

noun

• something that tempts or persuades

• an incentive

verb - induce​

​inducement

Multiple Choice

As both a soldier and a great athlete, Art Donovan's induction into the U.S. Marine Corps Sports Hall of Fame was well deserved.

• removal

• running of

• helping

• placement

Multiple Choice

As both a soldier and a great athlete, Art Donovan's induction into the U.S. Marine Corps Sports Hall of Fame was well deserved.

• noun

• verb

• adjective

• adverb

noun

• placement or entry into a club or an office

verb - induct

​induction

Multiple Choice

Many citizens appreciated the reduction in their property taxes.

• increase

• payment

• cut

• burden

Multiple Choice

Many citizens appreciated the reduction in their property taxes.

• noun

• verb

• adjective

• adverb

​noun

• an amount subtracted

• a decrease or cut

verb - reduce

​reduction

Multiple Choice

After championship games, police may be called upon to subdue dangerous and destructive rioters.

• encourage

• restrain

• celebrate

• destroy

Multiple Choice

The fashion company decided to subdue their featured colors, changing them from bright red and yellow to gray and beige.

• help

• soften

• brighten

• remove

Multiple Choice

The fashion company decided to subdue their featured colors, changing them from bright red and yellow to gray and beige.

• noun

• verb

• adjective

• adverb

verb

• to conquer or bring under control

• to make less intense or prominent

• to tone down

​subdue

Multiple Choice

The viaduct supported the expressway, enabling the street to go beneath it.

• overpass

• exit

• underpass

• canal

Multiple Choice

The viaduct supported the expressway, enabling the street to go beneath it.

• noun

• verb

• adjective

• adverb

noun

• a structure of spans or arches carrying a road or railroad over a wide valley or other road or railroad

• overpass, bridge

​

​viaduct