Please not that a "Trouble" can also cause you anxiety, distress, etc. and that a "Problem" could just be described as a difficulty. In these cases they are completely synonymous. One difference is that you can problem is always countable - "I have several problems that I need to understand". Whereas, trouble can be uncountable - "This means trouble", "You bring trouble". You can also describe somebody as "troubled", meaning that they have emotional difficulties. Tom

Porridge is a word that is always spelled strangely, but all spellings mean the same thing. "Porridge" is by far the most normal. I quote to you from wikipedia: Porridge (also spelled porage, porrige, parritch)[1] is a dish made by boiling ground, crushed, or chopped cereal in water, milk, or both, with optional flavourings, usually served hot in a bowl or dish. I

Problem: a situation that causes you anxiety, distress or any uncomfortable feelings that needs to be overcome Trouble: a difficulty