What is the rule for able?
Use the –able ending if the root word is not changed e.g. comfort – comfortable. Use the –able ending if there is a related word that ends in –ation e.g. consideration – considerable. Use the –ible ending when you can't hear a whole root word e.g invisible.
Use the –able ending if the root word is not changed e.g. comfort – comfortable. Use the –able ending if there is a related word that ends in –ation e.g. consideration – considerable. Use the –ible ending when you can't hear a whole root word e.g invisible.
