1 构成形容词
-ploid -androus -gynous -gerous -vorous -centric -ferous -genous -ate -acean -aneous -arious -ary -ar -ern -ite -itious -ular -al -acious -atory -acal -le -itory -ative -ant -ent -ive -ose -ine -fic -uble -ible -ious -ous -ulent -escent -eous -esque -ulous -ory -ial -id
2 与以 结尾的名词相对应
-itious