1.

Ribald, to rhyme with nibbled, or ribald?

Pronounce it wrong, scholars will be appalled!

2.

Dearth rhymes, it would seem, with earth,

and not, as I thought, with hearth.

When young, I flubbed it, publicly,

and felt a dearth of mirth.

3.

CONsummate or conSUMMate? Who can say?

Webster's decides it! Either-eyether way.