PUZZLEBOXX

All the words contain the letter combination OUGH - but it is pronounced differently in each word.

In COUGH it is pronounced "off"

In TOUGH it is pronounced "uff"

In THOUGH it is pronounced "oh"

In THOUGHT it is pronounced "or"

In THROUGH it is pronounced "oo"

In THOROUGH it is pronounced "uh"

In BOUGH it is pronounced "ow"

The same combination can also be found in the word LOUGH (a lake), which is pronounced "lock" ... and in the word HICCOUGH (a hiccup), which is pronounced like "hiccup"!