tanker truck vs tanker

tanker truck and tanker both are nouns.

Word	Noun	Adjective	Verb	Adverb
tanker truck	Yes	No	No	No
tanker	Yes	No	No	No

As nouns, tanker truck and tanker are synonyms defined as:

tanker truck and tanker: a motor vehicle designed to carry liquefied loads, dry bulk cargo or gases on roads.

Other synonyms of tanker truck include tank truck.

tanker truck (noun)	tanker (noun)
a motor vehicle designed to carry liquefied loads, dry bulk cargo or gases on roads.	a cargo ship designed to carry crude oil in bulk
	a motor vehicle designed to carry liquefied loads, dry bulk cargo or gases on roads.
	a soldier who drives a tank