This move will simplify our lives.
We had to simplify the instructions.
Word: "simplify"
the same meaning

I vouch for the quality of my products.
He vouched his words by his deeds.
Word: "vouch"
different meanings

When I realized that I had hurt my friend, I felt deep shame.
The teenager couldn't bear the shame of introducing his parents.
Word: "shame"
the same meaning

We only use Spanish at home.
I can't use this tool.
Word: "use"
the same meaning