What word has silent k?

Answer 1

There are some rules to silent K:

1.) If the K is followed by an N at the beginning of the word which is KN, then the K becomes silent.

Here are some examples of words with silent K:

1.) Knife

2.) Knee

3.) Know

4.) Knew

5.) Knit

6.) Knitting

7.) Knob

8.) Knock

9.) Knickers

10.) Knuckle

11.) Knight

12.) Knack

13.) Knot

14.) Knave

15.) Knavish

16.) Knead

17.) Knoll

18.) Knell

19.) Knap

20.) Knawel

21.) Knur

22.) Knurl

23.) Kneel

24.) Knelt

25.) Knicks

Although "weakness" contains a KN, the K doesn't become silent because it's not at the beginning of the word and it's a compound word.

Answer 2

The word "knock" has a silent k.