I wasn't criticising anyone. I was just telling you that you were wrong.
A Plough.
To plough.
A Ploughman.
Constellation pointing to the north star is "The Plough".
A Plow. To Plow. A Plowman. The Plow. Nah. Doesn't look right. Sorry. To me that says "Plow", rhymes with "Low".
That's a silly answer. A lot of ow words rhyme with plow, cow, sow, now, wow, but I can't think of any ough words that do, although, dough, borough, cough, rough, enough.