In the present tense, teachers teach and preacher preach. Yesterday the teacher taught, but the preacher didn't praught. I dare you to find one single annal in the annals of history. Vegetarians eat vegetables, which might cause one to keep a close eye on humanitarians. Each morning my alarm goes off, but when it goes off, it comes on.
Actors recite lines in a play while musicians play lines at a recital.
We ship goods by truck, but send cargo by ship. Our noses run. Our feet smell. And, of course, you'd better remember to park on driveway and drive on parkway. A slim chance and a fat chance are synonymous, but a wise man and wise guy are not.