plate vs flat solid

plate and flat solid both are nouns.

Word	Noun	Adjective	Verb	Adverb
plate	Yes	No	Yes	No
flat solid	Yes	No	No	No

As nouns, flat solid is a hypernym of plate; that is, flat solid is a word with a broader meaning than plate:

Other hypernyms of plate include sheet.

As nouns, flat solid is a hypernym of plate; that is, flat solid is a word with a broader meaning than plate:

plate: a flat sheet of metal or glass on which a photographic image can be recorded
flat solid: a flat artifact that is thin relative to its length and width

Other hypernyms of plate include sheet.

plate (noun)	flat solid (noun)
dish on which food is served or from which food is eaten	a flat artifact that is thin relative to its length and width
a metal sheathing of uniform thickness (such as the shield attached to an artillery piece to protect the gunners)
a sheet of metal or wood or glass or plastic
a shallow receptacle for collection in church
(baseball) base consisting of a rubber slab where the batter stands; it must be touched by a base runner in order to score
structural member consisting of a horizontal beam that provides bearing and anchorage
a full-page illustration (usually on slick paper)
a flat sheet of metal or glass on which a photographic image can be recorded
the positively charged electrode in a vacuum tube
a dental appliance that artificially replaces missing teeth
any flat platelike body structure or part
a main course served on a plate
the thin under portion of the forequarter
a rigid layer of the Earth's crust that is believed to drift slowly
the quantity contained in a plate

plate (verb)	flat solid (verb)
coat with a layer of metal