MOT vs MOT test

MOT and MOT test both are nouns.

Word	Noun	Adjective	Verb	Adverb
MOT	Yes	No	No	No
MOT test	Yes	No	No	No

As nouns, MOT and MOT test are synonyms defined as:

MOT and MOT test: a compulsory annual test of older motor vehicles for safety and exhaust fumes

Other synonyms of MOT include Ministry of Transportation test.

MOT (noun)	MOT test (noun)
a compulsory annual test of older motor vehicles for safety and exhaust fumes	a compulsory annual test of older motor vehicles for safety and exhaust fumes