than-чем,нежели.then-тогда.

'Then' is used also to replace an expression of time: 'I met Jane in 2002. We've been living together since then.' 'When my grandmother was young, they didn't have a television. Things were different then.'

"Then" - 'If you want your boyfriend to come along on this trip, we better wait until then' "Than" - 'This pie is better than that pie' (both are just quick examples for you to compare) Udachi Tebe...

Use "then" to tell when something happens in a list. "First I went to the store. Then I came home." "Add the ingredients. Then put the pan in the oven." Use "than" when you make comparisons. "His house is bigger than my house."