radaigh to radiate
ramhraigh to fatten/thicken
rangaigh to classify
ransaigh to forage/ransack
reoigh to freeze
riar to administer/dispense/distribute/manage/mete/provide
righ to control/stretch
rith to run
robáil to rob
roghnaigh to pick/select
roinn to divide
rois to unravel/
rop to dash/stab/
rothlaigh to rotate/slew/slue/twirl
ruadhóigh to scorch
ruaig to harden?
ruathair to raid/foray/scramble (rush)/swoop (by police)
rácáil to rake (as in leaves)?
réal to develop
réamhaithris to foretell/predict
réamhcheannaigh to pre-empt
réamhdhátaigh to backdate
réasúnaigh to rationalize
réitigh to adjust/arrange/clear/elucidate/level/smooth/solve/
ríomh to calculate/count/reckon
ríomhairigh to computerize
rómhair to dig
rúisc to poke
