Turing
alluring
assuring
blurring
concurring
conferring
curing
deferring
demurring
deterring
enduring
ensuring
incurring
inferring
insuring
luring
maturing
mooring
nonrecurring
obscuring
occuring
occurring
preferring
procuring
purring
reassuring
recurring
refering
referring
securing
slurring
spurring
stirring
touring
transferring
whirring