Related "around, round, surrounding" units:
ambi-;
ampho-;
circ-;
circum-;
cyclo-, -cycle;
peri-.
Inter-related cross references involving word units meaning "bend, curve, turn":
diversi-;
diverticul-;
flect-, flex-;
meand-;
-plex;
streph-;
stroph-;
tors-;
tropo-;
verg-;
vers-;
volv-.
