Prefix and Suffix:

Prefix: 
Beginning sound is called prefix.

Place
Misplace

Write
Rewrite

Wrap

Unwrap

Fill
Refill

Heat
Preheat

Cycle
Bicycle

View
Preview

Talk
Mistalk

Tie
Untie

Turn
Return

Agree
Disagree



Suffix:

Ending sound is called suffix.

Kind
Kindly

Lead
Leader

Talk
Talking

Help
Helpful

Act
Acted

Soft
Softness

Friend
Friendly