Sounds like cognates are the single greatest friend to folks learning Russian. However, as with most good things there are pitfalls. And these pitfalls are called 'false cognates'. A 'false cognate' is a word that shares a similar pronunciation between two languages, but means one thing in one language and something else in the other. You'd sound pretty silly if a Russian asked you what you were doing ('Что вы делаете?') and you'd answer 'Я читаю магазин' (which means 'I am reading a store')....

'False Cognates" examples.

The dialogue at the beginning of the show: