noun, plural in·ad·vert·en·cies.
Examples from the Web for inadvertency
But here I am, my dear mother, still holding up my head, boldly conscious of having only committed an act of inadvertency.Cornish Characters|S. Baring-Gould
The delay, doubtless, was simply owing to inadvertency on the part of subordinate agents.My Ten Years' Imprisonment|Silvio Pellico
Vices of adoption are of all others the most unpardonable, for they have not inadvertency to plead.The Young Gentleman and Lady's Monitor, and English Teacher's Assistant|John Hamilton Moore
The original dowry then of universal man is inadvertency and error.
We think not; and we think there is in the construction itself proof positive to the inadvertency.