"feeling of extreme aversion or detestation," 1650s; see abhorrent + -ence. OED recommends this form for "act or fact of abhorring," abhorrency (c. 1600) for "quality of being abhorrent."
aberrant
aberration
abet
abeyance
abhor
abhorrence
abhorrent
abidance
abide
abiding
Abigail