follies (n.)youdaoicibaDictYouDict
"glamorous theatrical revue with lots of pretty girls," 1880, from French folies (mid-19c.), from folie (see folly), probably in its sense of "extravagance" (compare extravaganza).
westerlies (n.)youdaoicibaDictYouDict
prevailing winds in certain latitudes, 1876, from westerly (see west).
willies (n.)youdaoicibaDictYouDict
"spell of nervousness," 1896, perhaps from the woollies, a dialectal term for "nervous uneasiness," probably in reference to the itchiness of wool garments.