Words with -able and -ible
Key Notes:-
1. Basic Rule for Usage
- -able: Generally used when the root word is a complete English word.
- Example: “agree” + “-able” = “agreeable”
- -ible: Typically used when the root word is not a complete English word or comes from Latin.
- Example: “access” + “-ible” = “accessible”
2. Meaning and Function
- Both suffixes form adjectives.
- They generally mean “capable of,” “worthy of,” or “suitable for.”
3. Spelling Patterns
- If the root word ends in “e”, often drop the “e” before adding -able.
- Example: “desire” + “-able” = “desirable”
- For words ending in a consonant, just add -able or -ible.
- Example: “horr” + “-ible” = “horrible”
- Words ending in a soft “c” or “g” usually take -able.
- Example: “change” + “-able” = “changeable”
4. Exceptions and Irregular Forms
- Some words do not follow the general rules and must be memorized.
- Example: “digest” + “-ible” = “digestible”
5. Usage Tips
- If unsure, check a dictionary as both suffixes have many exceptions.
- Words ending in -able often come from words that are verbs or adjectives.
- Example: “accept” + “-able” = “acceptable”
- Words ending in -ible often come from Latin and can sometimes change form when the suffix is added.
- Example: “audire” (Latin) + “-ible” = “audible”
6. Common Examples
- -able: adaptable, enjoyable, predictable, reliable, remarkable
- -ible: accessible, convertible, comprehensible, flexible, possible
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