Word Formation
About This Cheat Sheet
Your complete guide to Word Formation for competitive exams. This cheat sheet helps you form meaningful words from given letters, identify valid words, and solve jumbled word puzzles quickly.
📝 Types of Word Formation
- Forming Words from Given Letters
- Rearranging Letters
- Adding Prefixes & Suffixes
- Forming Words with Specific Length
- Forming Words with Specific Letters
- Anagrams (Using All Letters)
🔤 Common Prefixes
- un-, re-, pre-, mis-
- dis-, non-, anti-
- post-, over-, under-
- sub-, inter-, super-
- trans-, co-, bi-
- multi-, out-, up-
🔤 Common Suffixes
- -able, -ible, -tion, -sion
- -ment, -ness, -ful, -less
- -ly, -er, -or, -ist
- -ian, -ism, -ity
- -ence, -ance, -age
- -al, -ic, -ive, -ous
🧩 Jumbled Words & Scrambles
- Finding Meaningful Words
- Finding Words in a Jumble
- Identifying Correct Word
- Identifying Incorrect Word
- Minimum Number of Words
- Words with All Letters
🎯 Problem Types
- Words from Given Set of Letters
- Words Not from Given Set
- Words from a Given Word
- Compound Words
- Word Count Questions
- Word Validity Questions
📚 Exam Categories
- SSC & Banking
- Railways & UPSC
- CAT & MBA Entrance
- Defence & Insurance
- Placement Tests
- Other Competitive Exams
📝 Prefix + Root
un + happy
= unhappy📝 Root + Suffix
hope + ful
= hopeful📝 Compound
rain + bow
= rainbow📝 Anagram
listen
= silent📝 Word Formation Examples
📝 Prefix Examples
- un-: happy → unhappy
- re-: write → rewrite
- pre-: view → preview
- mis-: place → misplace
- dis-: like → dislike
- non-: stop → non-stop
- anti-: virus → anti-virus
- sub-: marine → submarine
📝 Suffix Examples
- -able: read → readable
- -tion: educate → education
- -ment: enjoy → enjoyment
- -ness: happy → happiness
- -ful: hope → hopeful
- -less: fear → fearless
- -ly: quick → quickly
- -er: teach → teacher
📝 Compound Words
- rain + bow = rainbow
- sun + flower = sunflower
- book + shelf = bookshelf
- moon + light = moonlight
- star + fish = starfish
- fire + man = fireman
- water + melon = watermelon
- butter + fly = butterfly
🧩 Jumbled Words Examples
🎯 Problem Types
🎯 Quick Problem Examples
📝 Find Valid Word
- Letters: A, C, R, T
- Options: CAT, RAT, ART, CAR
- All are valid! ✅
- CAT, RAT, ART, CAR
- Answer: All options
📝 Find Invalid Word
- Letters: P, L, A, N, E
- Options: PLAN, LANE, LEAP, PAL
- LEAP: L, E, A, P all available ✅
- PLANE: Needs N ✅
- All are valid! ✅
📝 Anagram Example
- Word: LISTEN
- Anagram: SILENT
- Both use all letters
- L I S T E N = S I L E N T
- Meaningful: Yes
- Valid: Yes
📋 Quick Reference: Prefixes & Suffixes
➕ Common Prefixes
- un-: not → unhappy
- re-: again → redo
- pre-: before → preview
- mis-: wrong → mistake
- dis-: not → dislike
- non-: not → non-stop
- anti-: against → anti-virus
- sub-: below → submarine
- inter-: between → international
- super-: above → superstar
- co-: together → co-worker
- bi-: two → bicycle
➕ Common Suffixes
- -able: capable → readable
- -tion: action → education
- -ment: result → enjoyment
- -ness: state → happiness
- -ful: full of → hopeful
- -less: without → fearless
- -ly: manner → quickly
- -er: one who → teacher
- -or: one who → actor
- -ist: one who → artist
- -ian: one who → musician
- -ism: belief → capitalism
📝 Compound Words
- rain + bow = rainbow
- sun + flower = sunflower
- book + shelf = bookshelf
- moon + light = moonlight
- star + fish = starfish
- fire + man = fireman
- water + melon = watermelon
- butter + fly = butterfly
- cup + board = cupboard
- tooth + brush = toothbrush
🎯 How to Solve Word Formation Questions Quickly
The Golden Rule: When forming words from given letters, check each letter's availability and ensure you don't use a letter more times than it appears in the given set. For jumbled words, look for the most logical word structure.
Step-by-Step Approach:
- Step 1: Identify the letters available
- Step 2: Note any restrictions (length, specific letters)
- Step 3: Try to form meaningful words
- Step 4: Eliminate words that use unavailable letters
- Step 5: Verify the word is meaningful and valid
Common Mistakes to Avoid:
- ❌ Using a letter more times than available
- ❌ Forming a word that doesn't exist
- ❌ Missing the most obvious word
- ❌ Forgetting about prefixes and suffixes
Proven Strategy: The "Letter Count" technique – write down all available letters and their counts. For each potential word, check if all its letters are available in the correct quantity. This eliminates guesswork and ensures accuracy.
Memory Trick: Remember common word formation patterns:
- 📝 Prefix + Root: un + happy = unhappy
- 📝 Root + Suffix: hope + ful = hopeful
- 📝 Compound: rain + bow = rainbow
- 📝 Anagram: listen ↔ silent
💡 Pro Tips for Word Formation
✅ Count Available Letters
Track letter counts carefully – don't reuse a letter more than available
✅ Check Word Validity
Ensure the word you form is a valid, meaningful word
✅ Use Common Prefixes/Suffixes
If adding letters, think of common prefixes and suffixes first
✅ Practice with Word Games
Play word games like Scrabble to improve word formation skills
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