Common Words:
* Know: The "k" is silent.
* Knee: The "k" is silent.
* Knife: The "k" is silent.
* Gnat: The "g" is silent.
* Wrench: The "w" is silent.
* Column: The "b" is silent.
* Salmon: The "l" is silent.
* Autumn: The "u" is silent.
* Honest: The "h" is silent.
* Hour: The "h" is silent.
Less Common Words:
* Hymn: The "h" is silent.
* Pneumonia: The "p" is silent.
* Psychology: The "p" is silent.
* Gnome: The "g" is silent.
It's important to note that the pronunciation of these words can vary depending on dialect and accent.
Do you have any other words in mind that you'd like to check?