As an adjective rhenic is
(rare) rhenish.
rhenious
Not English
Rhenious has no English definition. It may be misspelled.
English words similar to 'rhenious':
ruinous,
runways,
rawness,
roomies,
runaways,
rehomes,
rannies,
rooineks,
rumness,
rummies,
rehones,
rheumic,
rameous,
reneyes,
rooinecks,
rhamnus,
rowings