How many words?
Maybe the words that you think are passwords might be a seed phrase.


If you have the wallet.dat file but you forgot the password you only have one last option to get the right password.
To find the right password you will need to use a recovery tool to bruteforce the password.

Check this one https://github.com/gurnec/btcrecover Litecoin is supported with this tool and all guide are inside that link.