The Swedish term "krets, cirkel, kretsa, cirka" matches the English term "circle"

other swedish words that include "cirkel" : english :
cirkelrund, cirkulär circular
passare, cirkel compasses
halvcirkel semicircle
other swedish words that include "kretsa" : english :
kretsa, sväva hover
other swedish words that include "cirka" : english :
omkring, ungefär, kring, vid, cirka about
cirka circa