diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 422339a..3e7bbe9 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -71,6 +71,9 @@ jobs:
           export INPUT_CHECK_FILENAMES=""
           export INPUT_CHECK_HIDDEN=""
           export INPUT_EXCLUDE_FILE=""
+          export INPUT_SKIP=""
+          export INPUT_IGNORE_WORDS_FILE="./test/ignore-words-file.txt"
+          export INPUT_IGNORE_WORDS_LIST=""
           export INPUT_PATH="./test/testdata"
           export INPUT_ONLY_WARN=""
           ./entrypoint.sh
diff --git a/action.yml b/action.yml
index 6355bc1..2168fb0 100644
--- a/action.yml
+++ b/action.yml
@@ -18,6 +18,18 @@ inputs:
     description: 'Comma-separated list of files to skip (it accepts globs as well)'
     required: false
     default: ''
+  builtin:
+    description: 'Comma-separated list of builtin dictionaries to include'
+    required: false
+    default: ''
+  ignore_words_file:
+    description: 'File with a list of words to be ignored'
+    required: false
+    default: ''
+  ignore_words_list:
+    description: 'Comma-separated list of words to be ignored'
+    required: false
+    default: ''
   path:
     description: 'Path to run codespell in'
     required: false
diff --git a/entrypoint.sh b/entrypoint.sh
index 53182e3..1afc65c 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -28,6 +28,18 @@ echo "Skipping '${INPUT_SKIP}'"
 if [ "x${INPUT_SKIP}" != "x" ]; then
     command_args="${command_args} --skip ${INPUT_SKIP}"
 fi
+echo "Builtin dictionaries '${INPUT_BUILTIN}'"
+if [ "x${INPUT_BUILTIN}" != "x" ]; then
+    command_args="${command_args} --builtin ${INPUT_BUILTIN}"
+fi
+echo "Ignore words file '${INPUT_IGNORE_WORDS_FILE}'"
+if [ "x${INPUT_IGNORE_WORDS_FILE}" != "x" ]; then
+    command_args="${command_args} --ignore-words ${INPUT_IGNORE_WORDS_FILE}"
+fi
+echo "Ignore words list '${INPUT_IGNORE_WORDS_LIST}'"
+if [ "x${INPUT_IGNORE_WORDS_LIST}" != "x" ]; then
+    command_args="${command_args} --ignore-words-list ${INPUT_IGNORE_WORDS_LIST}"
+fi
 echo "Resulting CLI options ${command_args}"
 exec 5>&1
 res=`{ { codespell ${command_args} ${INPUT_PATH}; echo $? 1>&4; } 1>&5; } 4>&1`
diff --git a/test/ignore-words-file.txt b/test/ignore-words-file.txt
new file mode 100644
index 0000000..3eda6e1
--- /dev/null
+++ b/test/ignore-words-file.txt
@@ -0,0 +1 @@
+abandonned
diff --git a/test/test.bats b/test/test.bats
index a842cde..51d0a69 100644
--- a/test/test.bats
+++ b/test/test.bats
@@ -7,6 +7,8 @@ ROOT_MISSPELLING_COUNT=5
 FILENAME_MISSPELLING_COUNT=1
 HIDDEN_MISSPELLING_COUNT=1
 EXCLUDED_MISSPELLING_COUNT=1
+BUILTIN_NAMES_MISSPELLING_COUNT=1
+IGNORE_WORDS_MISSPELLING_COUNT=6
 SUBFOLDER_MISSPELLING_COUNT=1
 # From all files called example.txt
 EXAMPLE_MISSPELLING_COUNT=5
@@ -20,6 +22,9 @@ function setup() {
     export INPUT_CHECK_HIDDEN=""
     export INPUT_EXCLUDE_FILE=""
     export INPUT_SKIP=""
+    export INPUT_BUILTIN=""
+    export INPUT_IGNORE_WORDS_FILE=""
+    export INPUT_IGNORE_WORDS_LIST=""
     export INPUT_PATH="./test/testdata"
     export INPUT_ONLY_WARN=""
 }
@@ -79,6 +84,27 @@ function setup() {
     [ $status -eq $expectedExitStatus ]
 }
 
+@test "Use an additional builtin dictionary" {
+    expectedExitStatus=$((ROOT_MISSPELLING_COUNT + HIDDEN_MISSPELLING_COUNT + SUBFOLDER_MISSPELLING_COUNT + BUILTIN_NAMES_MISSPELLING_COUNT))
+    INPUT_BUILTIN="clear,rare,names"
+    run "./entrypoint.sh"
+    [ $status -eq $expectedExitStatus ]
+}
+
+@test "Use an ignore words file" {
+    expectedExitStatus=$((ROOT_MISSPELLING_COUNT + HIDDEN_MISSPELLING_COUNT + SUBFOLDER_MISSPELLING_COUNT - IGNORE_WORDS_MISSPELLING_COUNT))
+    INPUT_IGNORE_WORDS_FILE="./test/ignore-words-file.txt"
+    run "./entrypoint.sh"
+    [ $status -eq $expectedExitStatus ]
+}
+
+@test "Use an ignore words list" {
+    expectedExitStatus=$((ROOT_MISSPELLING_COUNT + HIDDEN_MISSPELLING_COUNT + SUBFOLDER_MISSPELLING_COUNT - IGNORE_WORDS_MISSPELLING_COUNT))
+    INPUT_IGNORE_WORDS_LIST="abandonned"
+    run "./entrypoint.sh"
+    [ $status -eq $expectedExitStatus ]
+}
+
 @test "Custom path" {
     expectedExitStatus=$((SUBFOLDER_MISSPELLING_COUNT))
     INPUT_PATH="./test/testdata/subfolder"
diff --git a/test/testdata/example:2.txt b/test/testdata/example:2.txt
index 50a0985..d5f415f 100644
--- a/test/testdata/example:2.txt
+++ b/test/testdata/example:2.txt
@@ -1 +1 @@
-It's ackward when you make a spelling mistake.
+It's ackward when you make a spelling mistake. My name is Tim.