1 example sentence using chancre.
Chancre used in a sentence
Chancre in a sentence as a noun
Through mid season I often get quite a few chancre sores and what you're describing, but I just don't care to stop eating them. Also to the person above who said that Nightshades bother Celiacs; My grandmother is the only Celiac that I know of and whom has nearly died and been longterm hospitalized back before they could figure out what it was, has never had any issues whatsoever from the Nightshades.
Chancre definitions
noun
a small hard painless nodule at the site of entry of a pathogen (as syphilis)