diff --git a/addons/purchase_requisition/i18n/purchase_requisition.pot b/addons/purchase_requisition/i18n/purchase_requisition.pot
index 3d60e554031..6fb547dc15a 100644
--- a/addons/purchase_requisition/i18n/purchase_requisition.pot
+++ b/addons/purchase_requisition/i18n/purchase_requisition.pot
@@ -482,7 +482,7 @@ msgstr ""
 #. module: purchase_requisition
 #: model:ir.model.fields,help:purchase_requisition.field_purchase_requisition_create_alternative__copy_products
 msgid ""
-"If this is checked, the product quantites of the original PO will be copied"
+"If this is checked, the product quantities of the original PO will be copied"
 msgstr ""
 
 #. module: purchase_requisition
diff --git a/addons/purchase_requisition/wizard/purchase_requisition_create_alternative.py b/addons/purchase_requisition/wizard/purchase_requisition_create_alternative.py
index 3a140744234..2da83d7dc62 100644
--- a/addons/purchase_requisition/wizard/purchase_requisition_create_alternative.py
+++ b/addons/purchase_requisition/wizard/purchase_requisition_create_alternative.py
@@ -26,7 +26,7 @@ class PurchaseRequisitionCreateAlternative(models.TransientModel):
         groups="purchase.group_warning_purchase")
     copy_products = fields.Boolean(
         "Copy Products", default=True,
-        help="If this is checked, the product quantites of the original PO will be copied")
+        help="If this is checked, the product quantities of the original PO will be copied")
 
     @api.depends('partner_id', 'copy_products')
     def _compute_purchase_warn(self):
diff --git a/addons/purchase_stock/tests/test_create_picking.py b/addons/purchase_stock/tests/test_create_picking.py
index 5fc2f5bdde8..592c1045556 100644
--- a/addons/purchase_stock/tests/test_create_picking.py
+++ b/addons/purchase_stock/tests/test_create_picking.py
@@ -179,7 +179,7 @@ class TestCreatePicking(common.TestProductCommon):
     def test_03_uom(self):
         """ Buy a dozen of products stocked in units. Check that the quantities on the purchase order
         lines as well as the received quantities are handled in dozen while the moves themselves
-        are handled in units. Edit the ordered quantities, check that the quantites are correctly
+        are handled in units. Edit the ordered quantities, check that the quantities are correctly
         updated on the moves. Edit the ir.config_parameter to propagate the uom of the purchase order
         lines to the moves and edit a last time the ordered quantities. Receive, check the quantities.
         """
diff --git a/addons/sale_stock/tests/test_sale_stock.py b/addons/sale_stock/tests/test_sale_stock.py
index 7b60abbd877..14a088b9999 100644
--- a/addons/sale_stock/tests/test_sale_stock.py
+++ b/addons/sale_stock/tests/test_sale_stock.py
@@ -433,7 +433,7 @@ class TestSaleStock(TestSaleCommon, ValuationReconciliationTestCommon):
     def test_06_uom(self):
         """ Sell a dozen of products stocked in units. Check that the quantities on the sale order
         lines as well as the delivered quantities are handled in dozen while the moves themselves
-        are handled in units. Edit the ordered quantities, check that the quantites are correctly
+        are handled in units. Edit the ordered quantities, check that the quantities are correctly
         updated on the moves. Edit the ir.config_parameter to propagate the uom of the sale order
         lines to the moves and edit a last time the ordered quantities. Deliver, check the
         quantities.
diff --git a/addons/stock/models/stock_move.py b/addons/stock/models/stock_move.py
index 9e801fbe8e9..095e1d82dea 100644
--- a/addons/stock/models/stock_move.py
+++ b/addons/stock/models/stock_move.py
@@ -945,7 +945,7 @@ Please change the quantity done or the rounding precision of your unit of measur
                 moves_by_neg_key[neg_key(moves[0])] |= moves[0]
 
         for neg_move in neg_qty_moves:
-            # Check all the candidates that matches the same limited key, and adjust their quantites to absorb negative moves
+            # Check all the candidates that matches the same limited key, and adjust their quantities to absorb negative moves
             for pos_move in moves_by_neg_key.get(neg_key(neg_move), []):
                 # If quantity can be fully absorbed by a single move, update its quantity and remove the negative move
                 if float_compare(pos_move.product_uom_qty, abs(neg_move.product_uom_qty), precision_rounding=pos_move.product_uom.rounding) >= 0: