Words with -able and -ible

Learning Objectives Define the suffixes -able and -ible and understand their shared meaning. Identify the root word to which a suffix is added. Apply the primary rule for adding -able to complete root words. Apply the primary rule for adding -ible to incomplete root words or specific Latin roots. Correctly spell new words created with -able and -ible, including dropping the silent 'e'. Use words ending in -able and -ible correctly in their own sentences to write more descriptively. Is that superhero invincible or invincable? Is your favorite snack eatable or edible? 🤔 Let's learn the rules so you always know! In this lesson, you will become an expert on the suffixes -able and -ible. Both of these suffixes mean 'can be' or 'able to be,' an...

TermDefinitionExample SuffixA letter or group of letters added to the end of a word to change its meaning or function.The suffix '-ful' in 'joyful' means 'full of joy'. Root WordThe most basic part of a word that holds its core meaning. Suffixes are added to root words.In the word 'unbreakable', the root word is 'break'. AdjectiveA word that describes a noun (a person, place, thing, or idea).The 'comfortable' chair. Words ending in -able and -ible are almost always adjectives. -ableA suffix that means 'able to be' or 'worthy of being'. It is usually added to a complete root word.'Readable' means 'able to be read'. -ibleA suffix that also means 'able to be' or 'worthy of being...

The Complete Word Rule (for -able) If the root word is a complete, standalone English word, the suffix is almost always -able. Use this as your main guide. If you can say the root word by itself and it makes sense, you'll probably add -able. For words ending in a silent 'e', drop the 'e' before adding -able (e.g., adore -> adorable). The Incomplete Word Rule (for -ible) If the root is not a complete English word on its own (often a Latin root), the suffix is usually -ible. Think of words like 'audible'. 'Aud' isn't a word, so we use -ible. You will need to memorize many of these, as they are very common. The Soft 'c' and 'g' Exception If a complete root word ends in a soft 'c' (sounds li...