cardinal
the cardinal rule

dividing
dividing rule

exception
the exception proves the rule

folding
folding rule

gag
gag rule

HR
Home Rule

iron
...to rule with an iron hand / to

martial
martial rule

measuring
measuring rule

mob
mob rule

occasional
...not the rule

partnership
rule of partnership

probability
rule of probabilities

reign
he desired to rule as well as reign

roast
to rule the roast

roost
to rule the roost

rule
hard and fast rule

rule in
incluir

rule off
fazer uma linha

rule out
to rule something out of order

self-rule
autonomia (política)

set down
to set down a rule

setting
setting rule

shrinkage
shrinkage rule

suspend
to suspend a rule

three
rule of three

tighten
to tighten a rule

trapezoidal
trapezoidal rule

universal
a universal rule

work-to-rule
greve de zelo