-able:
* Generally, "-able" is the more common and versatile suffix.
* It is used more widely than "-ible."
* It can be added to a wider range of words, including verbs, nouns, and even other adjectives.
* It often implies a passive ability: something can be done *to* the object.
-ible:
* "-ible" is typically used with words of Latin origin, especially those ending in "-ible."
* It is more specific than "-able" and often carries a sense of potential or susceptibility.
* It often implies an active ability: something can be *done* by the object.
Here's a breakdown of their usage:
-able:
* Breakable: Something that can be broken.
* Changeable: Something that can be changed.
* Comfortable: Something that provides comfort.
* Edible: Something that can be eaten.
* Measurable: Something that can be measured.
-ible:
* Accessible: Something that can be reached or entered.
* Divisible: Something that can be divided.
* Flexible: Something that can be bent or shaped.
* Possible: Something that can happen.
* Visible: Something that can be seen.
Key Points to Remember:
* Use "-able" as the default choice for most cases.
* Consider "-ible" when dealing with words of Latin origin or when you want to emphasize potential or susceptibility.
If you're unsure which suffix to use, consulting a dictionary is always a good idea!