Plumpy vs Plummy - What's the difference?

As adjectives the difference between plumpy and plummy

is that plumpy is plump; fat; sleek while plummy is of, pertaining to, containing, or characteristic of plums.

(Webster 1913)

Plump; fat; sleek.

(er)

Of, pertaining to, containing, or characteristic of plums

(informal) desirable; profitable; advantageous

For the sake of getting something plummy . — G. Eliot.

(of a voice) rich, mellow and carefully articulated, especially with an upper-class accent

* '>citation

* plummily * plumminess