Writing Mini-Lessons: Other Suffix Rules That Mostly Work

Suffix Rule #3: Adjectives that end in l add -ly:

Try it yourself: add the suffix -ly to each of the base words below.

Base Word

cool ➞

casual ➞

accidental ➞

occasional ➞

personal ➞

final ➞

usual ➞

brutal ➞

Suffix Rule #4: Words ending in n add -ness:

Try it yourself: add the suffix -ness to each of the base words below.

Base Word

plain ➞

sudden ➞

mean ➞

Suffix Rule #5: Words that end in silent e usually drop the e before suffixes that start with vowels:

Try it yourself: add a suffix to each of the base words below.

Base Word

have ➞

argue ➞

come ➞

force ➞

write ➞

manage ➞

love ➞

arrive ➞

change ➞

mistake ➞

guide ➞

combine ➞

fame ➞

believe ➞

EXCEPTION: Words that end in soft ce or ge keep the e before -able and -ous: changeable, pronounceable, courageous, outrageous, noticeable, manageable, peaceable, etc.

EXCEPTION #2: Keep the final e in dyeing, eyeing, and singeing.

Suffix Rule #6: Words that end in silent e usually keep the e before suffixes that start with consonants:

Try it yourself: add a suffix to each of the base words below.

Base Word

late ➞

encourage ➞

lone ➞

grave ➞

nine ➞

use ➞

grate ➞

extreme ➞

definite ➞

pave ➞

absolute ➞

hope ➞

EXCEPTIONS: acknowledgment, argument, awful, duly, judgment, truly

Suffix Rule #7: Verbs that end in ie change to y before adding -ing:

Try it yourself: add the suffix -ing to each of the base words below.

Base Word

tie ➞

vie ➞

die ➞

lie ➞