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Words with Similar Forms (Word Families)

Introduction

Many English words belong to the same word family - they share a common root but differ in form or usage (noun, verb, adjective, adverb). Understanding these families helps in grammar-based vocabulary questions where you must pick the correct form for a sentence.

This pattern is important in competitive exams because it tests both your vocabulary depth and your understanding of parts of speech.

Pattern: Words with Similar Forms (Word Families)

Pattern

The key idea is: Identify the correct word form (noun, verb, adjective, or adverb) based on sentence context.

For example:

  • Decide (verb)
  • Decision (noun)
  • Decisive (adjective)
  • Decisively (adverb)

You must choose the right form that fits grammatically and meaningfully within a sentence.

Step-by-Step Example

Question

Choose the correct word form: “She spoke in a very ___ manner.”

Options: (A) decision (B) decisive (C) decide (D) decisively

Solution

  1. Step 1: Identify the context.

    The sentence ends with “in a ... manner,” which usually requires an adverb.

  2. Step 2: Recall the word family.

    From the root “decide,” the adverb form is decisively.

  3. Step 3: Eliminate incorrect options.

    “Decision” (noun), “decisive” (adjective), and “decide” (verb) do not fit grammatically here.

  4. Final Answer:

    Correct word → Decisively → Option (D)

  5. Quick Check:

    “She spoke decisively.” ✅ (Adverb fits the phrase “in a ... manner.”)

Quick Variations

1. Noun form questions → “Her ___ impressed everyone.” (e.g., performance)

2. Adjective form questions → “He is a very ___ player.” (e.g., talented)

3. Adverb form questions → “She danced ___.” (e.g., gracefully)

4. Verb form questions → “They ___ the new plan.” (e.g., implemented)

Trick to Always Use

  • Step 1: Look at the position of the blank - it usually hints at the part of speech.
  • Step 2: Memorize word families - like beauty → beautiful → beautifully.
  • Step 3: Check grammar compatibility - subject-verb-object must remain logical.

Summary

Summary

In the Words with Similar Forms pattern:

  • Identify whether the blank needs a noun, verb, adjective, or adverb.
  • Choose the word from the same family that fits grammatically.
  • Quick check: Replace your answer in the sentence - if it sounds grammatically correct, it’s likely right!

Practice

(1/5)
1. Choose the correct form of the word: Her ___ in the competition surprised everyone.
easy
A. perform
B. performed
C. performance
D. performer

Solution

  1. Step 1: Identify the context.

    The blank follows 'Her' and precedes 'in', so a noun is required to name the thing that surprised everyone.

  2. Step 2: Recall the word family.

    From 'perform' → performer (person), performance (act), performed (verb form).

  3. Step 3: Choose the correct noun form.

    'Performance' refers to the act in the competition and fits grammatically.

  4. Final Answer:

    Performance → Option C.

  5. Quick Check:

    'Her performance in the competition surprised everyone.' ✅
Hint: After a possessive like 'her', expect a noun (e.g., 'her performance').
Common Mistakes: Choosing a verb form like 'performed' which doesn't fit grammatically.
2. Choose the correct form: He is one of the most ___ players in the team.
easy
A. talent
B. talented
C. talentful
D. talents

Solution

  1. Step 1: Identify the context.

    The blank follows 'most' and modifies 'players', so an adjective is required.

  2. Step 2: Recall the word family.

    From 'talent' → talented (adjective describing ability).

  3. Step 3: Choose the adjective form.

    'Talented' correctly describes the noun 'players'.

  4. Final Answer:

    Talented → Option B.

  5. Quick Check:

    'Most talented players' = natural and correct. ✅
Hint: After 'most' use an adjective (e.g., 'most talented').
Common Mistakes: Using the noun 'talent' instead of the adjective 'talented'.
3. Choose the correct form: The teacher spoke very ___ to the students.
easy
A. kind
B. kindly
C. kindness
D. kinder

Solution

  1. Step 1: Identify the context.

    The blank modifies the verb 'spoke' and follows 'very', so an adverb is needed.

  2. Step 2: Recall the word family.

    From 'kind' → kindly (adverb), kindness (noun), kinder (comparative adjective).

  3. Step 3: Choose the adverb form.

    'Kindly' correctly modifies 'spoke'.

  4. Final Answer:

    Kindly → Option B.

  5. Quick Check:

    'The teacher spoke very kindly' = correct adverb usage. ✅
Hint: If it describes how an action is done, use the adverb form (often ending in -ly).
Common Mistakes: Using 'kind' (adjective) instead of 'kindly' (adverb).
4. Choose the correct form: The manager’s ___ helped solve the problem quickly.
medium
A. decide
B. decision
C. decisive
D. decided

Solution

  1. Step 1: Identify the context.

    The blank follows 'manager’s' (possessive), so a noun naming something that helped is expected.

  2. Step 2: Recall the word family.

    From 'decide' → decision (noun), decisive (adjective), decided (verb/adjective form).

  3. Step 3: Choose the noun form.

    'Decision' refers to the manager's choice and fits grammatically.

  4. Final Answer:

    Decision → Option B.

  5. Quick Check:

    'The manager’s decision helped solve the problem' = correct. ✅
Hint: After a possessive (manager's), expect a noun (e.g., 'manager's decision').
Common Mistakes: Picking 'decisive' (adjective) instead of the noun 'decision'.
5. Choose the correct form: The children behaved very ___ during the trip.
medium
A. good
B. well
C. better
D. goodly

Solution

  1. Step 1: Identify the context.

    The blank modifies the verb 'behaved' (tells how they behaved), so an adverb is required.

  2. Step 2: Recall the pair.

    'Good' is an adjective; 'well' is the adverb used to describe actions.

  3. Step 3: Choose the adverb form.

    'Well' correctly describes the verb 'behaved'.

  4. Final Answer:

    Well → Option B.

  5. Quick Check:

    'They behaved well during the trip' = grammatically correct. ✅
Hint: Use 'well' (adverb) for actions, 'good' (adjective) for nouns.
Common Mistakes: Writing 'behaved good' instead of 'behaved well'.

Mock Test

Ready for a challenge?

Take a 10-minute AI-powered test with 10 questions (Easy-Medium-Hard mix) and get instant SWOT analysis of your performance!

10 Questions
5 Minutes