loading vs shipment

loading and shipment both are nouns.

Word	Noun	Adjective	Verb	Adverb
loading	Yes	No	No	No
shipment	Yes	No	No	No

As nouns, loading and shipment are synonyms defined as:

Other synonyms of loading include cargo, consignment, freight, lading, load, payload.

loading (noun)	shipment (noun)
the labor of putting a load of something on or in a vehicle or ship or container etc.	the act of sending off something
goods carried by a large vehicle	goods carried by a large vehicle
weight to be borne or conveyed
a quantity that can be processed or transported at one time
the ratio of the gross weight of an airplane to some factor determining its lift