The initial idioms of the letter R

root cause	root for
root in	root of the matter
root out	root out of
root up	rooted in
rooted to	rooting-tooting
root	rope in
rope in Go to rope into	rope into
rope into doing	rope off
rope or an animal up	rope someone in
rope together	rope
ropes	sub rosa
keep your rosaries off my ovaries	roscoe
rose	rose by any other name would smell as sweet
rose-colored	rose-colored glasses
rose-coloured glasses	rose-coloured spectacles