What two words were combined to coin
the radio term WILCO - as in "Roger, wilco, over and out"?
Etymology, Etymology, and more Etymology
as well as grammar, usage, euphemism, slang, jargon, semantics, linguistics, neologism, idiom, cant, and argot.

The critically-acclaimed board game
MooT
consists of tough questions about the nuances of the English language.
Answer:
will and comply
According to the Concise Oxford
Dictionary, the radio-term wilco indicates the acceptance of instructions
received, i.e., that they will be complied with.
Copyright 1998-2009 Blair Arts Ltd. All rights reserved.