integrator vs planimeter

integrator and planimeter both are nouns.

Word	Noun	Adjective	Verb	Adverb
integrator	Yes	No	No	No
planimeter	Yes	No	No	No

As nouns, integrator and planimeter are synonyms defined as:

integrator and planimeter: a measuring instrument for measuring the area of an irregular plane figure

integrator (noun)	planimeter (noun)
a measuring instrument for measuring the area of an irregular plane figure	a measuring instrument for measuring the area of an irregular plane figure