Большое спасибо.
Читаю книгу американского писателя Германа Мелвилла "The Confidence Man" и в 1 же главе нахожу слово (не сленговое, не неологизм), которого нет в словарях: gratulation: "... like the hunted generations of wolves in the same regions, leaving comparatively few successors: which would seem cause for unalloyed gratulation, and is such to all except those who think that in new countries, where the wolves are killed off, the foxes increase"