Circular

кръ́гъл

krǎ́gǎl

(in the shape of, or moving in a circle)

кръго́в

krǎgóv

(of or relating to a circle)

обиколен

obikolen

(circuitous or roundabout — see also circuitous, roundabout)

циркуля́рен

cirkuljáren

(distributed to a large number of persons)