Commonly confused words

Do you ......................... payment by credit card? (accept / except)

Everybody turned up at Fiona's party ......................... her exboyfriend. (accept / except)

What ......................... did the high altitude have on you? (affect / effect)

Did the high altitude ......................... you when you were in Quito? (affect / effect)

She gave me some excellent ......................... about my girlfriend. (advice / advise)

I ......................... you not to get involved in Sandra and Mike's problems. (advice / advise)

We need to find something to ......................... the curtains. (complement / compliment)

She got annoyed with me because I didn't ......................... her on her new hair style. (complement / compliment)

Don't tell anyone about my promotion. I want to be as ......................... about it as possible. (discreet / discrete)

Catalan and Valencian are not ......................... languages. (discreet / discrete)