и вот еще одно задание

Task 11. Use the prefixes and suffixes to form new words from given below: -ic, -ant, -ent, -ist, -tion, -or, -ful, -ous, -al, -ment, im-, dis-, in-.

use                  to execute              steady                         science

fruit                to decide                possible                      economy

care                to prevent               regular                        geology