diff --git a/rules/prevent-abbreviations.js b/rules/prevent-abbreviations.js
index <HASH>..<HASH> 100644
--- a/rules/prevent-abbreviations.js
+++ b/rules/prevent-abbreviations.js
@@ -148,6 +148,9 @@ const defaultReplacements = {
 	prev: {
 		previous: true
 	},
+	acc: {
+		accumulator: true
+	},
 	rel: {
 		relative: true,
 		related: true,
Add `acc` -> `accumulator` replacement to `prevent-abbreviations` (#<I>)