paving machine vs pavior

paving machine and pavior both are nouns.

Word	Noun	Adjective	Verb	Adverb
paving machine	Yes	No	No	No
pavior	Yes	No	No	No

As nouns, paving machine and pavior are synonyms defined as:

Other synonyms of paving machine include paviour.

paving machine (noun)	pavior (noun)
a machine for laying pavement	a machine for laying pavement