plate compactor vs vibratory plate compactor

plate compactor and vibratory plate compactor both are nouns.

Word	Noun	Adjective	Verb	Adverb
plate compactor	Yes	No	No	No
vibratory plate compactor	Yes	No	No	No

As nouns, plate compactor and vibratory plate compactor are synonyms defined as:

plate compactor and vibratory plate compactor: an engine-powered, walk-behind machine used for compaction of a wide variety of sand, gravel and granular base materials.

plate compactor (noun)	vibratory plate compactor (noun)
an engine-powered, walk-behind machine used for compaction of a wide variety of sand, gravel and granular base materials.	an engine-powered, walk-behind machine used for compaction of a wide variety of sand, gravel and granular base materials.