Suffixes and prefixes

Suffixes:

Suffixes are groups of letters added to the end of a word to modify its meaning and grammatical category.

Example:

If I add -y to a word it means "Full of"

-Y: 

Cloud/ Cloudy (Full of clouds)

Health/ Healthy (Full of health)

Luck/ Lucky (Full of luck)

Noise/ Noisy (Full of noise)

When I add -ful to a word it means "Full of"

-Ful:

Use/ Useful (Full of use)

Pain/ Painful (Full of pain)

Help/ Helpful (Full of pain)

Power/ powerful (Full of power)

When I add -less to a word it means "Without"

-Less:

End/ Endless (Without end)

Home/ Homeless (Without home)

Hope/ Hopeless (Without hope)

Prefixes:

Are added to the beginning of a base word.

Example:

impossible	opposite
able	unable	opposite/negation
payment	non-payment	negation
war	pre-war	time (before)
terrestrial	extraterrestrial	place (outside of/beyond)
cook	overcook	manner (too much)