Определите по структуре слова, к какой части речи оно относится: structural, statement, specialization, simply, rolled, rotational, previously, optional, movement, independence, fantastic.

Structural-adjective
statement- noun
specialization- noun
simply- adverb
rolled- adjective
rotational- adjective
previously- adverb
optional- adjective
movement- noun
independence- noun
fantastic- adjective