Silent Letter Sort worksheet for students to identify and categorize words with silent letters.

Let's solve the "Silent Letter Sort" activity step by step.

---

🔹 Task Instructions:

1. Circle the silent letter in each word.
2. Sort the words into the correct category based on the silent letter (b, c, g, h, k, w).
3. One word fits into two categories — find it!
4. Then fill in the table accordingly.

---

🔹 Step 1: List of Words

Here are the words given:

- climb
- wrinkle
- debt
- scene
- gnash
- when
- know
- fascinate
- whine
- answer
- knot
- ascend
- subtle
- rhyme
- muscle
- two
- gnat
- scissors
- doubt
- honest
- design
- wrap
- knight
- crumb
- foreign
- wrist
- exhaust
- whole
- thumb
- knock
- gnome
- comb
- sign
- hour
- white

---

🔹 Step 2: Identify Silent Letters

We'll go through each word and identify the silent letter, then categorize them.

---

#### ✔ Silent 'b'

Words where 'b' is silent:
- climb → b is silent
- debt → b is silent
- doubt → b is silent
- crumb → b is silent
- thumb → b is silent
- subtle → b is silent

✔ So: climb, debt, doubt, crumb, thumb, subtle

> Note: "climb" has silent 'b', yes.

---

#### ✔ Silent 'c'

Words where 'c' is silent:
- scene → c is silent? No — actually, 'c' is pronounced in "scene" (sēn). Wait!

Wait — let’s double-check.

Actually, 'c' is silent in:
- scissors → c is silent (pronounced /ˈsɪzərz/)
- muscle → c is silent (pronounced /ˈmʌsəl/)

So:
- scissors
- muscle

But what about scene? No — ‘c’ is pronounced.

Wait: scene = sēn → c is pronounced. ✘

What about knight? That's silent 'k', 'n', 'g', 'h', 't' — but we’ll get to that.

Hold on — 'c' is silent only in:
- scissors
- muscle

Is there another?

- fascinate → 'c' is pronounced → no

Wait — "scene" – c is pronounced → not silent.

But "design"? d-e-s-i-g-n → 'g' is silent, not 'c'.

So only:
- scissors
- muscle

✔ Silent 'c': scissors, muscle

---

#### ✔ Silent 'g'

Words where 'g' is silent:
- gnash → g is silent
- gnat → g is silent
- gnome → g is silent
- knighthood? Not here, but knight → g is silent
- foreign → g is silent
- sign → g is silent?
- sign = pronounced /saɪn/, so 'g' is silent → yes!
- design → 'g' is silent → yes

So:
- gnash
- gnat
- gnome
- knight
- foreign
- sign
- design

✔ Silent 'g': gnash, gnat, gnome, knight, foreign, sign, design

---

#### ✔ Silent 'h'

Words where 'h' is silent:
- when → h is silent
- know → h is silent
- knot → h is silent
- knight → h is silent (but already in 'g')
- hour → h is silent
- honest → h is silent

So:
- when
- know
- knot
- hour
- honest

✔ Silent 'h': when, know, knot, hour, honest

---

#### ✔ Silent 'k'

Words where 'k' is silent:
- knife → k is silent → already given
- knight → k is silent
- knock → k is silent
- knot → k is silent
- know → k is silent

So:
- knife
- knight
- knock
- knot
- know

✔ Silent 'k': knife, knight, knock, knot, know

---

#### ✔ Silent 'w'

Words where 'w' is silent:
- wrinkle → w is silent
- write? Not here
- whole → w is silent
- wrap → w is silent
- wrist → w is silent
- answer → w is silent
- comb → w is silent? No — comb = pronounced /kəʊm/, so 'w' is not present. Wait.

Wait: "comb" has no 'w'. But "wrinkle", "whine", "when", etc.

Let’s check:

- wrinkle → w is silent → yes
- whine → w is silent → yes
- when → w is silent → yes
- whole → w is silent → yes
- wrap → w is silent → yes
- wrist → w is silent → yes
- answer → w is silent → yes

Also:
- knuckle? Not here.

So:
- wrinkle
- whine
- when
- whole
- wrap
- wrist
- answer

✔ Silent 'w': wrinkle, whine, when, whole, wrap, wrist, answer

---

🔹 Now Let's Sort the Words

Now, fill in the table.

---

🟨 Silent b

- climb
- debt
- doubt
- crumb
- thumb
- subtle

✔ All have silent 'b'

---

🟩 Silent c

- scissors
- muscle

✔ Only these two have silent 'c'

---

🟪 Silent g

- gnash
- gnat
- gnome
- knight
- foreign
- sign
- design

✔ All have silent 'g'

---

🟧 Silent h

- when
- know
- knot
- hour
- honest

✔ All have silent 'h'

---

🟦 Silent k

- knife
- knight
- knock
- knot
- know

✔ All have silent 'k'

---

🟨 Silent w

- wrinkle
- whine
- when
- whole
- wrap
- wrist
- answer

✔ All have silent 'w'

---

🔍 The Word That Fits Two Categories

Look at knight:

- Has silent 'k' → belongs in Silent k
- Has silent 'g' → belongs in Silent g
- Also has silent 'h' → but we're only looking for one that fits two categories

So knight fits both Silent k and Silent g

✔ Yes! knight fits in two categories: Silent k and Silent g

Also note: when has silent 'w' and silent 'h'? Wait — when has silent 'w' and silent 'h'? Actually, in when, both 'w' and 'h' are silent? No — in when, the 'w' is silent, and the 'h' is pronounced? Wait — no.

Let’s clarify pronunciation:

- when → pronounced /wen/ → 'w' is silent, 'h' is not silent — it's part of the vowel sound.

In when, only 'w' is silent. 'h' is not silent — it's a consonant that blends with the vowel.

Similarly, know → 'k' and 'n' are silent, but 'h' is not.

So knight is the only word that clearly has two silent letters from our categories: k and g.

Also, knight has silent 'h', but we don't need to consider that unless asked.

So the one word that fits two categories is:

> ✔ knight → Silent k and Silent g

---

✔ Final Answer Table

| Silent b | Silent c | Silent g |
|---------|----------|----------|
| climb | scissors | gnash |
| debt | muscle | gnat |
| doubt | | gnome |
| crumb | | knight |
| thumb | | foreign |
| subtle | | sign |
| | | design |

| Silent h | Silent k | Silent w |
|----------|----------|----------|
| when | knife | wrinkle |
| know | knight | whine |
| knot | knock | when |
| hour | knot | whole |
| honest | know | wrap |
| | | wrist |
| | | answer |

---

⚠️ Important Notes

- "when" appears in Silent w and Silent h? No — wait.

Wait: In when, the 'w' is silent, but the 'h' is not silent — it's pronounced as part of the vowel. So "when" only goes in Silent w.

But earlier I listed it under Silent h — that was a mistake!

Let’s fix this.

---

🔁 Correcting the Mistake

Check when:

- Pronunciation: /wen/
- 'w' is silent → ✔ Silent w
- 'h' is not silent — it's part of the vowel sound → ✘ Not Silent h

So when should be in Silent w, not Silent h.

Similarly:
- know → 'k' and 'n' are silent, 'h' is not silent → only Silent k
- knot → 'k' and 'n' silent, 'h' not present → only Silent k
- hour → 'h' is silent → ✔ Silent h
- honest → 'h' is silent → ✔ Silent h

So correct Silent h list:
- hour
- honest

And when → only Silent w

So revise:

---

✔ Corrected Table

#### Silent b
- climb
- debt
- doubt
- crumb
- thumb
- subtle

#### Silent c
- scissors
- muscle

#### Silent g
- gnash
- gnat
- gnome
- knight
- foreign
- sign
- design

#### Silent h
- hour
- honest

#### Silent k
- knife
- knight
- knock
- knot
- know

#### Silent w
- wrinkle
- whine
- when
- whole
- wrap
- wrist
- answer

---

🔎 Word in Two Categories

Only knight appears in both Silent k and Silent g

✔ Answer: knight

---

✔ Extension: Add Your Own Words

You could add:
- debt → already included
- doubt → already included
- listen → silent 'l' → not in list
- doubt → already in
- debt → already in

Or:
- beauty → silent 't'
- doubt → already in
- castle → silent 'l'? No — 'l' is pronounced

Better examples:
- debt → silent 'b' → already in
- knife → silent 'k' → already in
- ghost → silent 'h' → not in list → could add

So extension idea:
- Add ghost → silent 'h'
- Add lamb → silent 'b' → already covered
- Add island → silent 's' and 'd' → not in categories

But since categories are b, c, g, h, k, w, you can add:
- plough → silent 'l', 'h', 'w'? Not helpful
- doubt → already in

So good addition:
- ghost → silent 'h' → fits Silent h

---

✔ Final Answer Summary

Word that fits two categories: knight (Silent k and Silent g)

Completed Table:

| Silent b | Silent c | Silent g |
|----------------|---------------|------------------------|
| climb | scissors | gnash |
| debt | muscle | gnat |
| doubt | | gnome |
| crumb | | knight |
| thumb | | foreign |
| subtle | | sign |
| | | design |

| Silent h | Silent k | Silent w |
|----------------|------------------|--------------------------|
| hour | knife | wrinkle |
| honest | knight | whine |
| | knock | when |
| | knot | whole |
| | know | wrap |
| | | wrist |
| | | answer |

---

✔ Done!

Let me know if you'd like this as a printable version or with explanations for kids.