Splinter, Sprinter, Spinster, Speedster - Words that sound alike! B2+

Splinter Sprinter Spinster Speedster...

What do they mean? Have you tried saying these words quickly? Difficult, right?

Splinter; (noun) that tiny little piece of wood that gets stuck in your hand, finger, foot or toe... 

Jack: "Ouch! I have a splinter in my finger and I can't get it out!"  

Jill: "How did you manage that?"

Jack: "I was lifting up that wooden table, when I felt something sharp go into my middle finger,"

Sprinter; (noun) someone who runs really fast.  Sprinting; (verb) Running really fast.

Jack: "I wanna be a 100 m sprinter when I grow up".

Jill: "You know you have to train really hard to be a sprinter!"

Jack: "Yeah, I know... It'll be a piece of cake."

Spinster; (noun) an unmarried woman, who lives on her own nor has a partner.

Jack: "If you don't go out with me, you're gonna end up an old Spinster!"

Jill: "So be it... I'd rather be a spinster than put up with you!"

Jack: "How rude!"

Speedster; (noun) a person or a thing that operates well at high speed, for example a fast car!

Jill: "Please don't speed in the car Jack! It's dangerous!"

Jack: "No need to worry Jill! I'm a speedster!"

Homework:

B2 - Write your own sentences with the above words.

C1 - Find 3 or 4 words in English which sound similar and explain the words by giving examples as above.