How to use prefixes and suffixes
A base word is a word that can stand alone and has a meaning.
Prefixes and suffixes are word parts that are added to words. They have different meanings so it’s important to learn them.
A prefix is a word part added to the beginning of a word or base word. It changes the meaning of the word.
Here are some examples of prefixes:
- Auto- ⟶ self
- Bi- ⟶ two
- Inter- ⟶ between
- Mis- ⟶ wrong
- Pre- ⟶ before
- Un- ⟶ not
For example:

_
Example words with prefixes:
- Antisocial
- Dishonest
- Incorrect
- Forehead
- Coworker
- Illegal
- Disagree
- Impolite
- Misbehave
- Nonsense
- Premature
How to use prefixes and suffixes
A base word is a word that can stand alone and has a meaning.
Prefixes and suffixes are word parts that are added to words. They have different meanings so it’s important to learn them.
A prefix is a word part added to the beginning of a word or base word. It changes the meaning of the word.
Here are some examples of prefixes:
- Auto- ⟶ self
- Bi- ⟶ two
- Inter- ⟶ between
- Mis- ⟶ wrong
- Pre- ⟶ before
- Un- ⟶ not
For example:
Pre + school = Preschool
_
Example words with prefixes:
- Antisocial
- Dishonest
- Incorrect
- Forehead
- Coworker
- Illegal
- Disagree
- Impolite
- Misbehave
- Nonsense
- Premature
A suffix is a word part added to the end of a word or base word. It changes the meaning of the word.
Here are some examples of suffixes:
- -ed ⟶ past tense
- -er ⟶ more than
- -est ⟶ most
- -ful ⟶ full of
- -less ⟶ without
- -ous⟶ full of
For example:

Some words have both a prefix and a suffix.

The base word is help. The prefix un means not. The suffix full means full of.
Example words with suffixes:
- Homeless
- Thankful
- Illness
- Quietly
- Statement
- Thickness
- Teacher
- Comfortable
- Darken
- Colourful
- Painted
A suffix is a word part added to the end of a word or base word. It changes the meaning of the word.
Here are some examples of suffixes:
- -ed ⟶ past tense
- -er ⟶ more than
- -est ⟶ most
- -ful ⟶ full of
- -less ⟶ without
- -ous⟶ full of
For example:
Slow + ly = Slowly
Some words have both a prefix and a suffix.
For example:
Un + help + ful = Unhelpful
The base word is help. The prefix un means not. The suffix full means full of.
Example words with suffixes:
- Homeless
- Thankful
- Illness
- Quietly
- Statement
- Thickness
- Teacher
- Comfortable
- Darken
- Colourful
- Painted