Professional jealousy is the price of success in any field.

"I think professional jealousy has something to do with it," he said.

I could only explain his attack on me in terms of professional jealousy.

Despite this, however, professional jealousy ended their marriage in 1900.

The reasons were never spelled out, but it is likely that professional jealousy was one.

"That was just professional jealousy on the part of our detractors."

Call it professional jealousy, which now and then led to a squabble.

There's a lot of professional jealousy in our world.

"So it's a simple case of professional jealousy," he said with a shrug.

Check with one of them, go ahead - there's no professional jealousy here.