judge + ment = judgment
awe + ful = awful

Memorize two exceptions:

spite + ful = spiteful
place + ment = placement

Add a suffix starting with a consonant, keep final silent e.

Key concepts:

free + dom = freedom
free + ing = freeing

To add most suffices to words ending in ee or oe, keep the final e.

trace + able = traceable
outrage + ous = outrageous

To add a suffix starting with a or o, keep the e in words with he soft c or g sound.

Key concepts: