-Cambridge Dictionary Definition of  Silent Letter-

A silent letter in a word is one that is written but not pronounced, such as the “b” in “doubt”.

-Audio-

Silent B

Listen and Repeat:

Bomb – Bomb

Climb – Climb

Comb – Comb

Crumb– Crumb

Debt – Debt

Doubt – Doubt

Dumb – Dumb

Lamb – Lamb

Limb – Limb

Numb– Numb

Silent H

Listen and Repeat:

Ghost- Ghost

Honest- Honest

Hour – Hour –

Mechanic – Mechanic –

Rhythm- Rhythm-

Scheme- Scheme-

School- School-

What- What-

When- When-

Where- Where-

Silent K

Listen and Repeat:

Knee- Knee-

Knew- Knew-

Knickers- Knickers-

Knife- Knife

Knight- Knight-

Knit- Knit-

Knitting- Knitting-

Knock- Knock-

Knot- Knot-

Silent W–

Listen and Repeat:

Answer- Answer-

Sword- Sword-

Two- Two-

Wrack- Wrack-

Whole- Whole-

Wrap- Wrap-

Wrist- Wrist-

Wrinkle- Wrinkle-

Wreck- Wreck-

Wren- Wren-

For more examples, check out a dictionary.