trucking rig vs articulated lorry

trucking rig and articulated lorry both are nouns.

Word	Noun	Adjective	Verb	Adverb
trucking rig	Yes	No	No	No
articulated lorry	Yes	No	No	No

As nouns, trucking rig and articulated lorry are synonyms defined as:

trucking rig and articulated lorry: a truck consisting of a tractor and trailer together

Other synonyms of trucking rig include rig, semi, tractor trailer, trailer truck.

trucking rig (noun)	articulated lorry (noun)
a truck consisting of a tractor and trailer together	a truck consisting of a tractor and trailer together