- The suffix -ful means full of, if a base word ends in y, change the y to i ebfore adding ful.
roomful= a room full of beautiful= full of beauty
mad> madden= to make mad
- The suffix -less means without.
- The suffix -able means can be or able to be. If a base word ends in e, drop the e before adding able.
- The suffix -en means made of or to make. If a base word ends in e, drop the e before adding en. For words that have a short vowel sound and end in a consonant, double the consonant before adding en.
mad> madden= to make mad