diff --git a/web/ui/module/codemirror-promql/src/complete/promql.terms.ts b/web/ui/module/codemirror-promql/src/complete/promql.terms.ts
index 4aba94e9f6..5b2da2088e 100644
--- a/web/ui/module/codemirror-promql/src/complete/promql.terms.ts
+++ b/web/ui/module/codemirror-promql/src/complete/promql.terms.ts
@@ -142,12 +142,16 @@ export const functionIdentifierTerms = [
     detail: 'function',
     info: 'Calculate the cosine, in radians, for input series',
     type: 'function',
+    // Avoid ranking higher than `count`.
+    boost: -1,
   },
   {
     label: 'cosh',
     detail: 'function',
     info: 'Calculate the hyperbolic cosine, in radians, for input series',
     type: 'function',
+    // Avoid ranking higher than `count`.
+    boost: -1,
   },
   {
     label: 'count_over_time',
@@ -178,6 +182,8 @@ export const functionIdentifierTerms = [
     detail: 'function',
     info: 'Convert radians to degrees for input series',
     type: 'function',
+    // Avoid ranking higher than `delta`.
+    boost: -1,
   },
   {
     label: 'delta',
@@ -328,6 +334,8 @@ export const functionIdentifierTerms = [
     detail: 'function',
     info: 'Convert degrees to radians for input series',
     type: 'function',
+    // Avoid ranking higher than `rate`.
+    boost: -1,
   },
   {
     label: 'rate',