1 Look at these common noun and adjective suffixes. They are used
to form different parts of speech.
nouns -ation -ion -ness -ity -ence -sion -ment
adjectives -ous -y -tific -ly -ful -less -ial
Complete the charts below and mark the stress. There are some
spelling changes.
| Noun | Verb | Noun | Adjective |
| communication | communicate | science | scientific |
| discussion | discuss | friend | friendly |
| government | govern | happiness | happy |
| invatation | invite | differness | different |
| development | develop | danger | dangeress |
| explanation | explain | use | useful |
| education | educate | help | helpul |
| decision | decide | specialty | specail |
| enjoyment | enjoy | care | carful |
| organization | organize | noise | noisy |
| improvement | improve | industry | industrial |
| employment | employ | ambition | ambitions |