lantern wheel vs lantern pinion

lantern wheel and lantern pinion both are nouns.

Word	Noun	Adjective	Verb	Adverb
lantern wheel	Yes	No	No	No
lantern pinion	Yes	No	No	No

As nouns, lantern wheel and lantern pinion are synonyms defined as:

lantern wheel and lantern pinion: a small pinion having cylindrical bars instead of teeth, used chiefly in inexpensive clocks

lantern wheel (noun)	lantern pinion (noun)
a small pinion having cylindrical bars instead of teeth, used chiefly in inexpensive clocks	a small pinion having cylindrical bars instead of teeth, used chiefly in inexpensive clocks