risen
v.v. the past participle of 'rise'. You use it to describe something that has moved to a higher position or increased in amount.
v. the past participle form of the intransitive verb 'rise'. It indicates that a subject has moved upward, increased in value, or stood up.
The sun has already risen above the trees.
The cost of living has risen sharply over the last decade, forcing many families to adjust their budgets.
Having risen to the rank of general through sheer merit, he found himself increasingly at odds with the political establishment he was sworn to protect.
Morphologically rise + -n.
The verb is intransitive and never takes a direct object.
The prices have raised lately.The prices have risen lately.Learners often confuse the intransitive 'rise/risen' with the transitive 'raise/raised', which requires an object.