When I had my first job in journalism many, many years ago, I was told that I could never use the word contact as a verb.

NPR: A Down-to-Earth View of the Planet Debate

The root of the word duty is the Latin verb "debere" - "to owe", or "to have to".

BBC: UK

And how, for example, do you treat a German compound verb, or a Hungarian word formation which can incorporate a whole sentence?

ECONOMIST: Shape-shifting

Even the word tennis has French origins from the medieval era, derived from the tenez, from the verb tenir, to hold.

CNN: A short history of tennis: Henry VIII to Federer the great

"It may be that the very wide definition of the word collusion that Judge Cory adopted was due to his concentration on one of the synonyms, namely the verb connive, " the inquiry report said.

BBC: How has collusion been defined?