As nouns the difference between shipment and shipments
is that shipment is a load of goods that is transported by any method (not just by ship) while shipments is .
shipment
English
Noun
(
en noun)
a load of goods that is transported by any method (not just by ship)
:* We're expecting another shipment of oranges tomorrow.
the act of transporting goods
:* Shipment of hazardous waste on this route is strictly prohibited.