trailer truck vs articulated lorry

trailer truck and articulated lorry both are nouns.

Word	Noun	Adjective	Verb	Adverb
trailer truck	Yes	No	No	No
articulated lorry	Yes	No	No	No

As nouns, trailer truck and articulated lorry are synonyms defined as:

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

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

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