tidy upverb trans and intrans

• rubiginous
• Rubik's cube
• rub in
• rub it in
• ruble
• rub off
• rub out
• rubric
• rubricate
• rub/rub up the wrong way
• rub salt into the wound/somebody's wounds
• rub shoulders
• rub somebody's nose in it
• rub somebody's nose in something
• rub up
• rub up the wrong way
• ruby
• RUC
• ruche
• ruching
• ruck
• rucksack
• ruckus
• ruction
• rudbeckia