Melissa Kaplan has an unusual collection:
"Words have always fascinated me. An avid reader from before the time I could see over the top of the check-out counter at the library, I have always found many words to be a delight to roll off the tongue or to sit there, oddly arrayed, on the page. While I usually did well on spelling tests, I often spent too much time mulling over the sound or appearance of words, so I was not always the fastest of test-takers.."
"congregation, shrewness, dissimulation, sledge, clowder, cawcus…"
Beastly Garden of Wordy Delights
Image: finerareprints.com, definitely worth a look.