Suffix or Prefix

The Suffix -ed means

• to open

• makes something past tense (already happened)

The Prefix (re-)

• means back again

• means not

The Prefix (Dis-) means

• The opposite of

• Under something

The suffix -ful means

• lacking in something

• Full of (a quality)

The Prefix (non-) means

• Working against something

• not

The suffix -less means

• plenty

• not having a quality of