diff --git a/include/svl/nfkeytab.hxx b/include/svl/nfkeytab.hxx
index 7872cc4fb512..458e400ea6ab 100644
--- a/include/svl/nfkeytab.hxx
+++ b/include/svl/nfkeytab.hxx
@@ -111,9 +111,15 @@ class NfKeywordTable final
 
 public:
     NfKeywordTable() : m_keywords(NF_KEYWORD_ENTRIES_COUNT) {};
+    NfKeywordTable( const std::initializer_list<OUString> & l ) : m_keywords(l)
+    {
+        assert(m_keywords.size() == NF_KEYWORD_ENTRIES_COUNT);
+    }
 
     OUString & operator[] (Keywords_t::size_type n) { return m_keywords[n]; }
     const OUString & operator[] (Keywords_t::size_type n) const { return m_keywords[n]; }
+
+    Keywords_t::size_type size() const { return m_keywords.size(); }
 };
 
 #endif // INCLUDED_SVL_NFKEYTAB_HXX
diff --git a/include/svl/zforlist.hxx b/include/svl/zforlist.hxx
index 4f27621c9b0f..a2ff78f90a34 100644
--- a/include/svl/zforlist.hxx
+++ b/include/svl/zforlist.hxx
@@ -822,7 +822,7 @@ public:
     const NfKeywordTable & GetKeywords( sal_uInt32 nKey );
 
     /** Access for unit tests. */
-    const std::vector<OUString> & GetEnglishKeywords() const;
+    const NfKeywordTable & GetEnglishKeywords() const;
 
     /** Access for unit tests. */
     const std::vector<Color> & GetStandardColors() const;
diff --git a/svl/qa/unit/svl.cxx b/svl/qa/unit/svl.cxx
index 15546554fc78..bafb8d13bef9 100644
--- a/svl/qa/unit/svl.cxx
+++ b/svl/qa/unit/svl.cxx
@@ -1393,7 +1393,7 @@ void Test::testUserDefinedNumberFormats()
 void Test::testNfEnglishKeywordsIntegrity()
 {
     SvNumberFormatter aFormatter(m_xContext, LANGUAGE_ENGLISH_US);
-    const ::std::vector<OUString> & rEnglishKeywords = aFormatter.GetEnglishKeywords();
+    const NfKeywordTable& rEnglishKeywords = aFormatter.GetEnglishKeywords();
     const NfKeywordTable& sKeywords = aFormatter.GetKeywords(0);
     CPPUNIT_ASSERT_EQUAL( size_t(NF_KEYWORD_ENTRIES_COUNT), rEnglishKeywords.size() );
     for (size_t i = 0; i < size_t(NF_KEYWORD_ENTRIES_COUNT); ++i)
@@ -1478,7 +1478,7 @@ void Test::testStandardColorIntegrity()
 void Test::testColorNamesConversion()
 {
     SvNumberFormatter aFormatter(m_xContext, LANGUAGE_GERMAN);
-    const ::std::vector<OUString> & rEnglishKeywords = aFormatter.GetEnglishKeywords();
+    const NfKeywordTable& rEnglishKeywords = aFormatter.GetEnglishKeywords();
     const NfKeywordTable& rKeywords = aFormatter.GetKeywords(0);
 
     // Holding a reference to the NfKeywordTable doesn't help if we switch
diff --git a/svl/source/numbers/zforlist.cxx b/svl/source/numbers/zforlist.cxx
index 89c938a9e17a..2f3372cef55b 100644
--- a/svl/source/numbers/zforlist.cxx
+++ b/svl/source/numbers/zforlist.cxx
@@ -4628,7 +4628,7 @@ const NfKeywordTable & SvNumberFormatter::GetKeywords( sal_uInt32 nKey )
     return pFormatScanner->GetKeywords();
 }
 
-const std::vector<OUString> & SvNumberFormatter::GetEnglishKeywords() const
+const NfKeywordTable & SvNumberFormatter::GetEnglishKeywords() const
 {
     return ImpSvNumberformatScan::GetEnglishKeywords();
 }
diff --git a/svl/source/numbers/zforscan.cxx b/svl/source/numbers/zforscan.cxx
index 8e3bfd308042..98948da642ea 100644
--- a/svl/source/numbers/zforscan.cxx
+++ b/svl/source/numbers/zforscan.cxx
@@ -39,9 +39,9 @@ using namespace svt;
 const sal_Unicode cNoBreakSpace = 0xA0;
 const sal_Unicode cNarrowNoBreakSpace = 0x202F;
 
-const ::std::vector<OUString> ImpSvNumberformatScan::sEnglishKeyword =
+const NfKeywordTable ImpSvNumberformatScan::sEnglishKeyword =
 {             // Syntax keywords in English (USA)
-    //! All keywords MUST be UPPERCASE! In same order as NfKeywordTable
+    //! All keywords MUST be UPPERCASE! In same order as NfKeywordIndex
     "",        // NF_KEY_NONE 0
     "E",       // NF_KEY_E Exponent
     "AM/PM",   // NF_KEY_AMPM AM/PM
diff --git a/svl/source/numbers/zforscan.hxx b/svl/source/numbers/zforscan.hxx
index 6282481c669a..d6da6d3daab6 100644
--- a/svl/source/numbers/zforscan.hxx
+++ b/svl/source/numbers/zforscan.hxx
@@ -74,7 +74,7 @@ public:
             return sKeyword;
         }
 
-    static const ::std::vector<OUString> & GetEnglishKeywords()
+    static const NfKeywordTable & GetEnglishKeywords()
         {
             return sEnglishKeyword;
         }
@@ -172,7 +172,7 @@ public:
 
 private: // Private section
     NfKeywordTable sKeyword;                    // Syntax keywords
-    static const ::std::vector<OUString> sEnglishKeyword; // English Syntax keywords
+    static const NfKeywordTable sEnglishKeyword; // English Syntax keywords
     static ::std::vector<Color> StandardColor;  // Standard color array
     static bool bStandardColorNeedInitialization; // initialize Standard color array
     static ::std::vector<OUString> sGermanColorNames;   // German color names array