Learn on PengiVocabulary from Latin and Greek Roots, Level XIUnit 10 ~ Unit 12

Ch 4.2 : Unit 11

These words all come from the Latin root SER, meaning "join.".

Section 1

Root: SER — join

These words all come from the Latin root SER, meaning "join."

Key Words

WordDefinition
assertion (n.)Something declared or stated positively
exertion (n.)The use of power and of strength
dissertation (n.)A formal and long paper, written for a degree at a university or college

Example Usage

  • The student's assertion that the Earth is flat was quickly corrected by the science teacher.
  • After hours of physical exertion moving furniture, David needed a long nap.

Section 2

Root: CERT — to separate, distinguish, decide

Let's explore words from the root CERT, meaning "to separate, distinguish, or decide."

Key Words

WordDefinition
disconcert (v.)To upset and confuse
certitude (n.)Certainty; inevitability
ascertain (v.)To discover; find out

Example Usage

  • The magician’s final trick was so strange it seemed to disconcert the entire audience.
  • Before setting out, the hikers used a map to ascertain the safest route up the mountain.

Section 3

Root: NEX — connect, bind

This group of words is built on the Latin root NEX, which means "connect or bind."

Key Words

WordDefinition
annex (v.)To attach oneself; take over
nexus (n.)The core or center

Example Usage

  • The school decided to annex the old library building to create more classroom space.
  • The central train station serves as the nexus for the city's entire public transportation system.

Section 4

Root: LIG, LIA — to bind

These words are connected by the Latin root LIG or LIA, meaning "to bind."

Key Words

WordDefinition
liaison (n.)Intermediary; go-between
obligatory (adj.)Expected or required
ligature (n.)A binding or joining

Example Usage

  • Our team captain acted as the liaison between the players and the coach.
  • At the end of the meeting, everyone gave the speaker an obligatory round of applause.

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Unit 10 ~ Unit 12

  1. Lesson 1

    Ch 4.1: Unit 10

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  2. Lesson 2Current

    Ch 4.2 : Unit 11

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  3. Lesson 3

    Ch 4.3: Unit 12

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Section 1

Root: SER — join

These words all come from the Latin root SER, meaning "join."

Key Words

WordDefinition
assertion (n.)Something declared or stated positively
exertion (n.)The use of power and of strength
dissertation (n.)A formal and long paper, written for a degree at a university or college

Example Usage

  • The student's assertion that the Earth is flat was quickly corrected by the science teacher.
  • After hours of physical exertion moving furniture, David needed a long nap.

Section 2

Root: CERT — to separate, distinguish, decide

Let's explore words from the root CERT, meaning "to separate, distinguish, or decide."

Key Words

WordDefinition
disconcert (v.)To upset and confuse
certitude (n.)Certainty; inevitability
ascertain (v.)To discover; find out

Example Usage

  • The magician’s final trick was so strange it seemed to disconcert the entire audience.
  • Before setting out, the hikers used a map to ascertain the safest route up the mountain.

Section 3

Root: NEX — connect, bind

This group of words is built on the Latin root NEX, which means "connect or bind."

Key Words

WordDefinition
annex (v.)To attach oneself; take over
nexus (n.)The core or center

Example Usage

  • The school decided to annex the old library building to create more classroom space.
  • The central train station serves as the nexus for the city's entire public transportation system.

Section 4

Root: LIG, LIA — to bind

These words are connected by the Latin root LIG or LIA, meaning "to bind."

Key Words

WordDefinition
liaison (n.)Intermediary; go-between
obligatory (adj.)Expected or required
ligature (n.)A binding or joining

Example Usage

  • Our team captain acted as the liaison between the players and the coach.
  • At the end of the meeting, everyone gave the speaker an obligatory round of applause.

Book overview

Jump across lessons in the current chapter without opening the full course modal.

Continue this chapter

Unit 10 ~ Unit 12

  1. Lesson 1

    Ch 4.1: Unit 10

    LearnPractice
  2. Lesson 2Current

    Ch 4.2 : Unit 11

    LearnPractice
  3. Lesson 3

    Ch 4.3: Unit 12

    LearnPractice