Hypertension/hypotension (in some British pronunciations).
Another category of homophonic antonymns would be phrases, clauses or sentences that sound alike but have quite different or even opposite meanings. One that my wife used the other day without realising it was: "my back's seizing up" which sounds almost the same as "my back's easing up"
The cricket captain expected his batsmen to be
bold/The cricket captain expected his batsmen to be
bowled.
She likes being
chaste/She likes being
chased.
I know some strong people
throughout the government/I know some strong people
threw out the government.
