Runner

бегу́н

begún

(somebody who runs, who moves at a fast pace)

бегу́нья

begúnʹja

(somebody who runs, who moves at a fast pace)

доро́жка

doróžka

(mechanical part intended to guide or aid something else to move)

по́лоз

póloz

(mechanical part intended to guide or aid something else to move)