TH – dental fricatives

                                    voiced /ð/ vs voiceless /θ/


https://www.youtube.com/watch?v=epztHTu6YaE

stick out your tongue and vibrate it a little bit


/ð/

The, them, those, these, that, there, weather, father, mother, brother, …


Tongue twister:

Whether the weather be fine or whether the weather be not,
We’ll weather the weather whatever the weather,
Whether we like it or not!


/θ/

Think, thanks, bath, path, tooth, toothbrush, math, thought, …


Tongue twister:

I thought a thought.
But the thought I thought I thought
Was not the thought I thought I thought.
So if the thought I thought I thought
had been the thought I thought I thought
I probably wouldn’t have thought the thought at all.