As or Like?

[Unregistered]

In the following sentence is the word "as" correct or does it have to be "like"?

If you find something strange; something that doesn't sound as an old fashioned literary language but as a mistake, please tell me.

Thank You.

[bhaisahab]

In the following sentence is the word "as" correct or does it have to be "like"?

If you find something strange; something that doesn't sound as an old fashioned literary language but as a mistake, please tell me.

Thank You.

No "as" doesn't work, you need "like".