Learn on PengiVocabulary from Latin and Greek Roots, Book 1, Level VIIUnit 9 ~ Unit 12

Ch 3.1: Unit 9

Let's build up our vocabulary with these powerful words derived from the Latin root for 'strong.'.

Section 1

Words from FORT: Strong

Let's build up our vocabulary with these powerful words derived from the Latin root for 'strong.'

Key Words

WordDefinition
effortless (adj.)Not requiring much work
fortify (v.)To make stronger
fortitude (n.)Strength of mind or character

Example Usage

  • The builders decided to fortify the city's defenses with an additional wall before the storm hit.
  • With amazing fortitude, the injured athlete finished the marathon despite the pain in her leg.

Section 2

Words from TEG: Whole

Time to bring it all together with words about wholeness, honesty, and falling apart.

Key Words

WordDefinition
integrate (v.)1. To bring together; 2. To work something into
integrity (n.)Honesty; moral soundness
disintegrate (v.)To fall apart

Example Usage

  • The teacher helped the new student integrate into the class by assigning her a friendly partner.
  • My little brother's sandcastle started to disintegrate as the waves washed ashore.

Section 3

Words from FIRM: Strengthen

Let's get a firm grasp on these words related to strength and agreement.

Key Words

WordDefinition
affirmative (adj.)Agreeing with; supporting
confirm (v.)To settle as true
infirm (adj.)Not in good health; not well

Example Usage

  • The airline sent an email to confirm our flight details for the upcoming trip.
  • Although my grandfather seems infirm, he has a surprisingly strong handshake.

Section 4

Words from VAL/VALID: Worth and Strength

How much are these words worth to you? Let's evaluate their powerful meanings!

Key Words

WordDefinition
invaluable (adj.)Very helpful or useful
evaluate (v.)To judge; to size up
invalid (adj.)Not good enough; not correct
validate (v.)To declare good; to accept as good

Example Usage

  • The library card becomes invalid if you don't renew it after one year.
  • A teacher should validate a student's effort, even if the final answer isn't perfect.

Book overview

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

  1. Lesson 1Current

    Ch 3.1: Unit 9

  2. Lesson 2

    Ch 3.2: Unit 10

  3. Lesson 3

    Ch 3.3: Unit 11

  4. Lesson 4

    Ch 3.4: Unit 12

Lesson overview

Expand to review the lesson summary and core properties.

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Section 1

Words from FORT: Strong

Let's build up our vocabulary with these powerful words derived from the Latin root for 'strong.'

Key Words

WordDefinition
effortless (adj.)Not requiring much work
fortify (v.)To make stronger
fortitude (n.)Strength of mind or character

Example Usage

  • The builders decided to fortify the city's defenses with an additional wall before the storm hit.
  • With amazing fortitude, the injured athlete finished the marathon despite the pain in her leg.

Section 2

Words from TEG: Whole

Time to bring it all together with words about wholeness, honesty, and falling apart.

Key Words

WordDefinition
integrate (v.)1. To bring together; 2. To work something into
integrity (n.)Honesty; moral soundness
disintegrate (v.)To fall apart

Example Usage

  • The teacher helped the new student integrate into the class by assigning her a friendly partner.
  • My little brother's sandcastle started to disintegrate as the waves washed ashore.

Section 3

Words from FIRM: Strengthen

Let's get a firm grasp on these words related to strength and agreement.

Key Words

WordDefinition
affirmative (adj.)Agreeing with; supporting
confirm (v.)To settle as true
infirm (adj.)Not in good health; not well

Example Usage

  • The airline sent an email to confirm our flight details for the upcoming trip.
  • Although my grandfather seems infirm, he has a surprisingly strong handshake.

Section 4

Words from VAL/VALID: Worth and Strength

How much are these words worth to you? Let's evaluate their powerful meanings!

Key Words

WordDefinition
invaluable (adj.)Very helpful or useful
evaluate (v.)To judge; to size up
invalid (adj.)Not good enough; not correct
validate (v.)To declare good; to accept as good

Example Usage

  • The library card becomes invalid if you don't renew it after one year.
  • A teacher should validate a student's effort, even if the final answer isn't perfect.

Book overview

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

  1. Lesson 1Current

    Ch 3.1: Unit 9

  2. Lesson 2

    Ch 3.2: Unit 10

  3. Lesson 3

    Ch 3.3: Unit 11

  4. Lesson 4

    Ch 3.4: Unit 12