SUFFIX

A suffix is a group of letters added to the end of a word to change its meaning or grammatical function.

The suffix '-ful' means 'full of' or 'having the qualities of.' For example, 'joyful' means full of joy.

The suffix '-less' means 'without' or 'lacking.' For example, 'fearless' means without fear.

The suffix '-er' is used to indicate a person or thing that performs an action. For example, 'teacher' is someone who teaches.

The suffix '-ness' is used to form nouns that express a state or quality. For example, 'happiness' means the state of being happy.

An example is 'walked,' which indicates the past tense of 'walk.'

An example is 'birds,' which indicates more than one bird.

The suffix '-ous' means 'full of' or 'having the qualities of.' For example, 'famous' means full of fame.

Adding a suffix can change a word's meaning, its part of speech, or its tense.

The suffix in 'happiness' is '-ness,' which indicates a state of being.