Ian Royal absolutely rouge-om-eter.
rouge-io-meter would be ok and I'd get the charm of that, but roug-eo-meter would surely have to be pronounced with a hard g as you've taken the e away from softening it and used it for something different. And that's just nuts.
no. i use a soft G
pronouncing it rougio meter
i understand if this isnt accepted by th emasses. but i shall continue to use it, due to the aforementioned charm