Collocations for category - noun

broad, general | narrow | distinct, separate | special
We have created a special category for part-time workers.

high
(law) the highest category of sexual assault

high-risk
Intravenous drug users are in a high-risk category for hepatitis C.

age, social

be included in, belong to, come into, fall into, fit (into)
The towns investigated fell into two broad categories.

assign sb/sth to, divide sb/sth into, group sb/sth under, put sb/sth in/into | create, define, establish

comprise sth, include sth

in/within a/the ~
He competed in the youngest age category.

~ of
a higher category of prison

be in a category (all) of its/your own
(= to be unique)