Найдите и выделите суффиксы в данных словах и определите, к какой части речи эти слова относятся:

British, foolish, understandable, heartless, pitiless, successful, experiment, function, musician, socialist, artist, capitalism, professional, fundamental, industrial, doubtful, useful, different, treatment, creative, attractive, peaceful, dangerous, elementary, childish, active, economic, director, worker, passage, marriage, silence, freedom, kingdom.
Ребята помогите пожалуйста срочно